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  • Articles  (85)
  • Annual Reviews  (85)
  • National Academy of Sciences
  • Springer Nature
  • 2000-2004  (85)
  • 2000  (85)
  • Energy, Environment Protection, Nuclear Power Engineering  (43)
  • Ethnic Sciences  (42)
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  • 2000-2004  (85)
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  • 1
    Publication Date: 2000-10-21
    Print ISSN: 0084-6570
    Electronic ISSN: 1545-4290
    Topics: Biology , Ethnic Sciences
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  • 2
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 3
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 4
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 5
    Publication Date: 2000-10-21
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  • 6
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 7
    Publication Date: 2000-10-21
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  • 8
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 9
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 10
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 11
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 12
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 13
    Publication Date: 2000-10-21
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  • 14
    Publication Date: 2000-10-21
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  • 15
    Publication Date: 2000-10-21
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  • 16
    Publication Date: 2000-10-21
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  • 17
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 18
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 19
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 20
    Publication Date: 2000-10-21
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  • 21
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 22
    Publication Date: 2000-10-21
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    Topics: Biology , Ethnic Sciences
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  • 23
    Publication Date: 2000-11-01
    Description: ▪ Abstract  This paper reviews the available data and models on energy and material flows through the world's 25 largest cities. Throughput is categorized as stored, transformed, or passive for the major flow modes. The aggregate, fuel, food, water, and air cycles are all examined. Emphasis is placed on atmospheric pathways because the data are abundant. Relevant models of urban energy and material flows, demography, and atmospheric chemistry are discussed. Earth system–level loops from cities to neighboring ecosystems are identified. Megacities are somewhat independent of their immediate environment for food, fuel, and aggregate inputs, but all are constrained by their regional environment for supplying water and absorbing wastes. We elaborate on analogies with biological metabolism and ecosystem succession as useful conceptual frameworks for addressing urban ecological problems. We conclude that whereas data are numerous for some individual cities, cross-cutting compilations are lacking in biogeochemical analysis and modeling. Synthesis of the existing information will be a crucial first step. Cross-cutting field research and integrated, multidisciplinary simulations will be necessary.
    Print ISSN: 1056-3466
    Topics: Energy, Environment Protection, Nuclear Power Engineering
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  • 24
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Geoengineering is the intentional large-scale manipulation of the environment, particularly manipulation that is intended to reduce undesired anthropogenic climate change. The post-war rise of climate and weather modification and the history of U.S. assessments of the CO2-climate problem is reviewed. Proposals to engineer the climate are shown to be an integral element of this history. Climate engineering is reviewed with an emphasis on recent developments, including low-mass space-based scattering systems for altering the planetary albedo, simulation of the climate's response to albedo modification, and new findings on iron fertilization in oceanic ecosystems. There is a continuum of human responses to the climate problem that vary in resemblance to hard geoengineering schemes such as space-based mirrors. The distinction between geoengineering and mitigation is therefore fuzzy. A definition is advanced that clarifies the distinction between geoengineering and industrial carbon management. Assessment of geoengineering is reviewed under various framings including economics, risk, politics, and environmental ethics. Finally, arguments are presented for the importance of explicit debate about the implications of countervailing measures such as geoengineering.
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  • 25
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Water vapor is the dominant greenhouse gas, the most important gaseous source of infrared opacity in the atmosphere. As the concentrations of other greenhouse gases, particularly carbon dioxide, increase because of human activity, it is centrally important to predict how the water vapor distribution will be affected. To the extent that water vapor concentrations increase in a warmer world, the climatic effects of the other greenhouse gases will be amplified. Models of the Earth's climate indicate that this is an important positive feedback that increases the sensitivity of surface temperatures to carbon dioxide by nearly a factor of two when considered in isolation from other feedbacks, and possibly by as much as a factor of three or more when interactions with other feedbacks are considered. Critics of this consensus have attempted to provide reasons why modeling results are overestimating the strength of this feedback. Our uncertainty concerning climate sensitivity is disturbing. The range most often quoted for the equilibrium global mean surface temperature response to a doubling of CO2 concentrations in the atmosphere is 1.5°C to 4.5°C. If the Earth lies near the upper bound of this sensitivity range, climate changes in the twenty-first century will be profound. The range in sensitivity is primarily due to differing assumptions about how the Earth's cloud distribution is maintained; all the models on which these estimates are based possess strong water vapor feedback. If this feedback is, in fact, substantially weaker than predicted in current models, sensitivities in the upper half of this range would be much less likely, a conclusion that would clearly have important policy implications. In this review, we describe the background behind the prevailing view on water vapor feedback and some of the arguments raised by its critics, and attempt to explain why these arguments have not modified the consensus within the climate research community.
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  • 26
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Industrial symbiosis, as part of the emerging field of industrial ecology, demands resolute attention to the flow of materials and energy through local and regional economies. Industrial symbiosis engages traditionally separate industries in a collective approach to competitive advantage involving physical exchange of materials, energy, water, and/or by-products. The keys to industrial symbiosis are collaboration and the synergistic possibilities offered by geographic proximity. This paper reviews the small industrial symbiosis literature and some antecedents, as well as early efforts to develop eco-industrial parks as concrete realizations of the industrial symbiosis concept. Review of the projects is organized around a taxonomy of five different material exchange types. Input-output matching, stakeholder processes, and materials budgeting appear to be useful tools in advancing eco-industrial park development. Evolutionary approaches to industrial symbosis are found to be important in creating the level of cooperation needed for multi-party exchanges.
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  • 27
    Publication Date: 2000-11-01
    Description: ▪ Abstract  An ultimate limit on the extent that biomass fuels can be used to displace fossil transportation fuels, and their associated emissions of CO2, will be the land area available to produce the fuels and the efficiencies by which solar radiation can be converted to useable fuels. Currently, the Brazil cane-ethanol system captures 33% of the primary energy content in harvested cane in the form of ethanol. The US corn-ethanol system captures 54% of the primary energy of harvested corn kernels in the form of ethanol. If ethanol is used to substitute for gasoline, avoided fossil fuel CO2 emissions would equal those of the substituted amount minus fossil emissions incurred in producing the cane- or corn-ethanol. In this case, avoided emissions are estimated to be 29% of harvested cane and 14% of harvested corn primary energy. Unless these efficiencies are substantially improved, the displacement of CO2 emissions from transportation fuels in the United States is unlikely to reach 10% using domestic biofuels. Candidate technologies for improving these efficiencies include fermentation of cellulosic biomass and conversion of biomass into electricity, hydrogen, or alcohols for use in electric drive-train vehicles.
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  • 28
    Publication Date: 2000-11-01
    Description: ▪ Abstract  A young man adrift, I was rescued by Paul Gast, a college classmate, and sent off to Columbia's Lamont Geological Observatory as a summer intern. As it turns out, I am still there. During this 47-year sojourn, I have been a participant in the enormous expansion of the field of isotope geochemistry. I experienced the golden age when so many plums awaited picking that we, the pioneers, gorged ourselves with exciting discovery. Being at what is now called Lamont-Doherty Earth Observatory put me at the center of many of the developments that changed forever the Earth Sciences. It also made me part of the great challenge associated with the drive to replace the exploitative mode that characterized the Industrial Revolution with what is often referred to as the sustainable mode. In the following pages I recount my path from confused youth to the globe-encircling oceanic “conveyor belt.”
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  • 29
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Fossil fuels account for about 80% of energy consumption in Asia. Because of its abundance and easy recoverability, especially in India and China, coal will remain the fuel of choice in the foreseeable future. If current trends continue, sulfur dioxide emissions from Asia may soon equal the emissions from North America and Europe combined. These trends portend a variety of local, regional, and global environmental impacts. Acid rain damages human health, ecosystems, and built surfaces. Many ecosystems will be unable to absorb these increased acidic depositions, leading to irreversible ecosystem damage with far-reaching implications for health, forestry, agriculture, fisheries, and tourism. RAINS-ASIA is a scenario-generating tool used to estimate the extent of damages caused by acid rain and to review the costs and impacts of alternatives to provide a look into the future. Its use extends from national-, regional-, and city-scale evaluation and inputs for cost-effective options analyses, to international negotiations on transboundary pollution.
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  • 30
    Publication Date: 2000-11-01
    Description: ▪ Abstract  The 1990s saw a resurgence in the windpower industry, with installed grid-connected capacity expanding more than five-fold between 1990 and 2000. Most of this increase occurred in Europe, where governmental policies aimed at developing domestic energy supplies and reducing pollutant emissions provided a sheltered market for renewable energy generation. The 1990s were also marked by a return to large, megawatt-sized wind turbines, a reduction and consolidation of wind turbine manufacturers, and increased interest in offshore windpower. This article reviews recent trends in the windpower industry, including some of the fundamental engineering principles of wind turbine design. Technological impediments and advances are discussed in the context of changes in the global electricity markets and environmental performance.
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  • 31
    Publication Date: 2000-11-01
    Description: ▪ Abstract  It is commonly assumed that biomass fuel cycles based on renewable harvesting of wood or agricultural wastes are greenhouse-gas (GHG) neutral because the combusted carbon in the form of CO2 is soon taken up by regrowing vegetation. Thus, the two fifths or more of the world's households relying on such fuels are generally not thought to play a significant role in GHG emissions, except where the wood or other biomass they use is not harvested renewably. This review examines this assumption using an emissions database of CO2, CO, CH4, NMHC, N2O, and total suspended particulate emissions from a range of household stoves in common use in India using six biomass fuels, kerosene, liquefied petroleum gas, and biogas. Because typical biomass stoves are thermally inefficient and divert substantial fuel carbon to products of incomplete combustion, their global warming commitment (GWC) per meal is high. Depending on time horizons and which GHGs are measured, the GWC of a meal cooked on a biomass stove can actually exceed that of the fossil fuels, even if based on renewably harvested fuel. Biogas, being based on a renewable fuel and, because it is a gas, being combusted with high efficiency in simple devices, has by far the lowest GWC emitted at the stove per meal and is indicative of the advantage that upgraded fuels made from biomass have in moving toward sustainable development goals. There are a number of policy implications of this work, including revelation of a range of win-win opportunities for international investment in rural energy development that would achieve cost-effective GHG reduction as well as substantial local benefits.
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  • 32
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Over the past 25 years more than 20 major studies have examined the technological potential to improve the fuel economy of passenger cars and light trucks in the United States. The majority have used technology/cost analysis, a combination of analytical methods from the disciplines of economics and automotive engineering. In this review we describe the key elements of this methodology, discuss critical issues responsible for the often widely divergent estimates produced by different studies, review the history of this methodology's use, and present results from six recent assessments. Whereas early studies tended to confine their scope to the potential of proven technology over a 10-year time period, more recent studies have focused on advanced technologies, raising questions about how best to include the likelihood of technological change. The review concludes with recommendations for further research.
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  • 33
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Meeting the growing demand for personal mobility and transport of goods in a sustainable way presents a wide range of interrelated engineering and public policy challenges. This chapter reviews some of the technical options being developed for mitigating the local and global environmental impact of road vehicles, made possible using developments in the materials and combustion sciences, sensor technologies, catalysis, and information processing. Although the improved technical performance of these options can be quantified, the likelihood of commercial success is harder to predict. This review considers factors that may support the adoption of innovative vehicle technologies, recognizing that the ubiquity of existing solutions and infrastructures will make any change process complex.
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  • 34
    Publication Date: 2000-11-01
    Description: ▪ Abstract  We assess the environmental health impact and policy implications of the widespread addition of methyl tert-butyl ether (MTBE) as a chemical that is used as an oxygenate to much of the gasoline supply in the United States. Initial concerns about short-term and long-term adverse health consequences following the substantial increase in MTBE use in the winter of 1992–1993 have been supplemented by the discovery in 1996 of what is now relatively widespread contamination of groundwater. We identify 14 governmental initiatives during the 10-year period 1989–1999 in which the potential adverse consequences of MTBE were considered and a nearly identical research agenda was proposed. The lessons from the ongoing MTBE episode show that: (a) research should precede rather than follow environmental health policy decisions; (b) the extent of potential human and environmental exposure should be an important criterion in determining the amount of information needed before making an environmental policy decision; (c) a better understanding of nonspecific human symptoms associated with environmental exposures is needed; (d) the boundaries between the US Environmental Protection Agency program offices should be as porous as the boundaries between environmental media; (e) the US Environmental Protection Agency needs to focus more on public health rather than on legal approaches to environmental management; (f) it is more difficult to remove a chemical once it is in commerce than it is to prevent its use; (g) resolution of uncertainty is best accomplished through research rather than through repetitive review; and (h) better tools are needed to evaluate risk/risk trade-offs. The ongoing replacement of MTBE by other, less well studied oxygenates such as tertiary amyl methyl ether indicates that these environmental public policy lessons have not been learned.
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  • 35
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Civilization's advances during the twentieth century are closely bound with an unprecedented rise of energy consumption in general, and of hydrocarbons and electricity in particular. Substantial improvements of all key nineteenth-century energy techniques and introduction of new extraction and transportation means and new prime movers resulted in widespread diffusion of labor-saving and comfort-providing conversions and in substantially declining energy prices. Although modern societies could not exist without large and incessant flows of energy, there are no simple linear relationships between the inputs of fossil fuels and electricity and a nation's economic performance and social accomplishments. International comparisons show a variety of consumption patterns and a continuing large disparity between affluent and modernizing nations. The necessity of minimizing environmental impacts of energy use, particularly those with potentially worrisome global effects, is perhaps the greatest challenge resulting from the twentieth century's energy advances.
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  • 36
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Various applications using carbon dioxide (CO2) have developed within the last decade and, if current trends continue, the CO2 technology platform could emerge as the most commonly used solvent in the twenty-first century. An environmentally friendly platform that is wrapped in a successful business format with apparent implications for people and their communities is most likely to endure. Does the CO2 technology platform meet the criteria for becoming a sustainable enterprise? Utilizing CO2 as an alternative solvent in conventional processes has the potential to favorably impact the environment and our communities. There are, however, several barriers to adopting CO2-based applications. Several concepts as well as obstacles to adopting the carbon dioxide technology platform are highlighted in this chapter.
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  • 37
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Theoretical considerations and empirical data suggest that existing technologies and procedures can improve indoor environments in a manner that significantly increases productivity and health. The existing literature contains moderate to strong evidence that characteristics of buildings and indoor environments significantly influence rates of communicable respiratory illness, allergy and asthma symptoms, sick building symptoms, and worker performance. Whereas there is considerable uncertainty in the estimates of the magnitudes of productivity gains that may be obtained by providing better indoor environments, the projected gains are very large. For the United States, the estimated potential annual savings and productivity gains are $6 to $14 billion from reduced respiratory disease, $1 to $4 billion from reduced allergies and asthma, $10 to $30 billion from reduced sick building syndrome symptoms, and $20 to $160 billion from direct improvements in worker performance that are unrelated to health. Productivity gains that are quantified and demonstrated could serve as a strong stimulus for energy efficiency measures that simultaneously improve the indoor environment.
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  • 38
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Indian megacities are among the most polluted in the world. Air concentrations of a number of air pollutants are much higher than levels recommended by the World Health Organization. In this paper, we focus on Mumbai and Delhi to characterize salient issues in health risks from particulate air (PM10) pollution in Indian cities. We perform a synthesis of the literature for all elements of the causal chain of health risks—sources, exposure, and health effects—and provide estimates of source strengths, exposure levels, and health risks from air pollution in Indian cities. We also analyze the factors that lead to uncertainty in these quantities and provide an overall assessment of the state of scientific knowledge on air pollution in urban India.
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  • 39
    Publication Date: 2000-11-01
    Description: ▪ Abstract  The first phase of promoting renewable energy in Europe is coming to an end. The timetable of the European Commission's Single Electricity Market (SEM) Directive has been the key recent driver of change within European energy and electricity markets. As mainland European countries have been forced to restructure their electricity industries and reappraise their renewable energy policies, they have been impressed by the results of the England and Wales Renewable Non-Fossil Fuel Obligation (NFFO). The NFFO is a mechanism for promoting renewable energy that has a competitive basis. However, the United Kingdom is in the process of creating a new policy. As new renewable energy policies have been discussed or put in place in mainland European countries, so these have influenced those of the United Kingdom. Renewable energy policies throughout Europe are converging. This paper analyzes the history behind these changes and underlines the lessons to be learned.
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  • 40
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Low environmental damage is one of the main justifications for continued efforts to reduce energy consumption and to shift to cleaner sources such as solar energy, especially now that supply security has slipped from public consciousness. In recent years there has been much progress in the analysis of environmental damages, in particular thanks to the ExternE (External Costs of Energy) Project of the European Commission. This paper presents a summary of the methodology and key results for the external costs of the major energy technologies. Even though the uncertainties are large, the results provide substantial evidence that the classic air pollutants (particles, NOx and SOx) from fossil fuels impose significant public health costs, comparable to the cost of global warming from CO2 emissions.
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  • 41
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Phosphorus has a number of indispensable biochemical roles, but it does not have a rapid global cycle akin to the circulations of C or N. Natural mobilization of the element, a part of the grand geotectonic denudation-uplift cycle, is slow, and low solubility of phosphates and their rapid transformation to insoluble forms make the element commonly the growth-limiting nutrient, particularly in aquatic ecosystems. Human activities have intensified releases of P. By the year 2000 the global mobilization of the nutrient has roughly tripled compared to its natural flows: Increased soil erosion and runoff from fields, recycling of crop residues and manures, discharges of urban and industrial wastes, and above all, applications of inorganic fertilizers (15 million tonnes P/year) are the major causes of this increase. Global food production is now highly dependent on the continuing use of phosphates, which account for 50–60% of all P supply; although crops use the nutrient with relatively high efficiency, lost P that reaches water is commonly the main cause of eutrophication. This undesirable process affects fresh and ocean waters in many parts of the world. More efficient fertilization can lower nonpoint P losses. Although P in sewage can be effectively controlled, such measures are often not taken, and elevated P is common in treated wastewater whose N was lowered by denitrification. Long-term prospects of inorganic P supply and its environmental consequences remain a matter of concern.
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  • 42
    Publication Date: 2000-11-01
    Description: ▪ Abstract  Current guidelines for green buildings are cursory and inadequate for specifying materials and designing ventilation systems to ensure a healthful indoor environment, i.e. a “healthy building,” by design. Public perception, cultural preferences, litigation trends, current codes and regulations, and rapid introduction of new building materials and commercial products, as well as the prevailing design-build practices, pose challenges to systems integration in the design, construction and operation phases of modern buildings. We are on the verge of a paradigm shift in ventilation design thinking. In the past, thermal properties of air within a zone determined heating, ventilating, and air-conditioning specifications. In the future, occupant-specific and highly responsive systems will become the norm. Natural ventilation, displacement ventilation, and microzoning with subfloor plenums, along with the use of point-of-source heat control and point-of-use sensors, will evolve to create a “smart,” responsive ventilation-building dynamic system. Advanced ventilation design tools such as the modeling of computational fluid dynamics (CFD) will be used routinely. CFD will be integrated into air quality and risk assessment models.
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  • 43
    Publication Date: 2000-11-01
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  • 44
    Publication Date: 2000-11-01
    Description: ▪ Abstract  The notion of capacity development (CD) has been receiving increasing attention as a way to assist the South in its environmental management. Consequently, there has been an exploration of various facets of the capacity issue in the literature and an incorporation of CD in environmental programs of donor agencies. Yet, many of these discussions have remained rather broad, and efforts to develop environmental capacity have shown only limited success. Based on an examination of the capacity needs for environmental management in agriculture and industry, and for dealing with climate change, this review suggests that strengthening domestic capabilities for policy research and innovation as well as for managing technological change may be particularly critical to allow for adaptation of policies and technologies for local conditions and needs. Examination of innovative local experiments on environmental management in developing countries can also provide useful lessons on how to develop and utilize capacity that works under the constrained conditions often found in developing countries. Furthermore, it is important to stress that improving the environment in developing countries also requires capacity in the North to examine and reorient Northern policies that impact the environment, as well as capacity for the environment, in the poorer parts of the world. Ultimately, though, the development of sustainable and appropriate capacity for the environment will require not merely donor-driven programs but a systematic effort driven by Southern governments and organizations.
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  • 45
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Anthropology 29 (2000), S. xv 
    ISSN: 0084-6570
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Figure 1 Figure 1 This essay summarizes the four careers of George and Louise Spindler over a 50-year period-psychological anthropology, anthropology and education, teaching, and editing. Our relations with Indian tribes with which we worked are described. Special attention is given to illusions affecting the construction of education in American schools, to the use of projective techniques in studies among Native American communitites, and to studies in urbanizing German villages. The concept of cultural therapy is introduced. Publications from each of our four careers are sampled.
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    Annual Review of Anthropology 29 (2000), S. 25-38 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
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    Notes: Abstract This article reviews neo-Weberian, neo-institutionalist economic, and neo-Marxian approaches to the analysis of capitalism in late modern societies. It argues that all make important contributions to the understanding of the increasing economic variability reported in capitalist societies. The approaches also may be profitably combined to assess the degree to which specific cases identified deviate in significant ways from current hegemonic patterns of capitalist development. Finally, consumption theory is assessed for its value in revising standard capitalist development theory.
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    Annual Review of Anthropology 29 (2000), S. 1-24 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
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    Notes: Abstract This article reviews the history of British social anthropology, concentrating on the expansion of the discipline in the British university sector since the 1960s. Particular emphasis is placed on the relationship between social anthropology and the main source of its funding, the British government, in particular the Economic and Social Research Council. After a particularly difficult time in the 1980s, social anthropology in the 1990s has grown swiftly. In this period of growth, formerly crucial boundaries-between academic anthropology and practical policy-related research, between "social" and "cultural" anthropology-appear to have withered away. Yet British social anthropology retains much of its distinctive identity, not least because of the peculiar institutional structures, such as the research seminar, in which the social anthropological habitus is reproduced in new generations of researchers.
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    Annual Review of Anthropology 29 (2000), S. 39-60 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
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    Notes: Abstract Property determines exclusive rights to things. It is a key theoretical concept in the social sciences and a material reality in human societies. Since the defining work of Lewis Henry Morgan, property has been studied by anthropologists interested in human economies, societies, and social evolution. Cross-cultural studies suggest systematic associations of contrasting property rights with particular characteristics of social institutions and resource developments. From the works of Childe, Adams, and Renfrew, archaeologists have considered property as related to ecological concepts of territoriality and to Marxist concepts of control and alienation. Techniques to study property archaeologically included patterns of labor investment, warfare, settlement distributions, and physical marking. Although each technique is open to alternative interpretations, combining the techniques provides a robust description of property regimes in prehistory.
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    Annual Review of Anthropology 29 (2000), S. 61-87 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract The aim of this review is to contribute to a dialogue between anthropologists and sociolinguists who work on the Arab world. One of the most distinctive features of the Arab world is that Classical Arabic co-exists with national vernaculars such as Egyptian, Syrian, Jordanian, and so on. The first is the language of writing, education, and administration, whereas the latter are the media of oral exchanges, nonprint media, poetry, and plays. The proximity or distance between the "Classical" and the "colloquials," whether the latter are also "Arabic" or have been so accepting of foreign borrowings that they ceased to be so, whether they are languages or "inferior dialects" are all contentious issues that continue to be debated within the Arab world. In fact, such debates have become inseparable from the central concerns and dilemmas of social and intellectual movements in this century. After providing a broad outline of work in Arabic sociolinguistics, the review moves to the literature on education. Debates on education are intimately linked with larger questions regarding colonialism, nationalism, and modernization. The last part of the review is devoted to anthropological works on the region. The complexities of the sociolinguistic settings in the Arab world provide promising and challenging grounds for contributions to anthropological theory.
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    Annual Review of Anthropology 29 (2000), S. 89-106 
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    Notes: Abstract This article examines the relationship between history and anthropology in South Asia during the past two decades, a relationship that has done much to shape the emerging intellectual practices of postcolonial anthropology. After locating the current conjuncture in an earlier moment of American anthropology in South Asia-village studies of the 1950s-the article reviews a body of interdisciplinary scholarship published during the 1980s and 1990s, paying specific attention to the impact of debates in Indian historiography generated by subaltern studies. The article goes on to identify five interlinked sets of themes in the literature for discussion: the "problem" of Europe, the interpenetration of power and knowledge in the colonial archive, the search for indigenous forms of knowledge, the phenomenon of violence and ethnic conflict, and the specific concerns of gender and feminist criticism. It argues that it is no longer feasible to do anthropology in South Asia without attending to one or more of these five themes. Any concern with contemporary transnational or cultural configurations in South Asia, or with the future of the postcolonial nation state, must be considered in relation to colonial history and the specific formations of modernity it generated.
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    Annual Review of Anthropology 29 (2000), S. 107-124 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract As we enter the twenty-first century, the terrain on which social policy is made is changing rapidly. This has resulted in anthropologists, in combination with other social scientists, giving serious attention to the impact of this new phase of globalization on changes in social and environmental policies. This review focuses on the ways in which anthropology as a field has contributed, and continues to contribute, to social policy research, practice, and advocacy in the current international context. Given the limited space allotted, we have selected the following six arenas of public policy for analysis and description: (a) links between globalization processes and policy on the national and local levels; (b) social welfare policy, including employment and family welfare survival strategies; (c) the impact of structural adjustment and economic restructuring on migration and labor force incorporation; (d) policies in the north and south related to global agriculture, social inequality, and the manipulations of some multinational corporations; (e) policies affecting sustainable agriculture; and (f) the role of anthropologists in examining the impact of political and economic hegemony on the environment.
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    Annual Review of Anthropology 29 (2000), S. 125-146 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract Significant changes occurred in human evolution between 2.5 and 1.8 million years ago. Stone tools first appeared, brains expanded, bodies enlarged, sexual dimorphism in body size decreased, limb proportions changed, cheek teeth reduced in size, and crania began to share more unique features with later Homo. Although the two earliest species of Homo, H. habilis and H. rudolfensis, retained many primitive features in common with australopithecine species, they both shared key unique features with later species of Homo. Two of the most conspicuous shared derived characters were the sizes of the brain and masticatory apparatus relative to body weight. Despite the shared derived characters of H. habilis and H. rudolfensis, one unexpected complication in the transition from australopithecine to Homo was that the postcranial anatomy of H. habilis retained many australopithecine characteristics. H. rudolfensis, however, seems to have had a more human-like body plan, similar to later species of Homo. H. rudolfensis may therefore represent a link between Australopithecus and Homo.
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    Annual Review of Anthropology 29 (2000), S. 147-194 
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    Notes: Abstract Anthropoidea is a clade of primates including Platyrrhini and Catarrhini. Definitive fossil anthropoids include the early Oligocene Propliopithecidae and the late Eocene-early Oligocene Parapithecidae and Oligopithecidae. Middle Eocene Eosimiidae are probable fossil anthropoids from Asia. Relationships of anthropoids to other primates are debated, although parsimony argues for a tarsier-anthropoid clade (Haplorhini) arising within omomyiforms. Distinctive features of the anthropoid visual system related to diurnality include highly convergent orbits, small corneal diameter/posterior nodal distance, high concentrations of cones and ganglion cells, and extreme magnification of foveal and parafoveal regions of the visual field in the visual cortex. Anthropoid origins was associated with a shift from a nocturnal visually predatory ancestor to diurnal visual predation at small body size (〈100 g). This shift may have occurred in the stem lineage of the tarsier-anthropoid clade. The early anthropoids were insectivore-frugivores with unfused mandibular symphyses, small brains, and either dichromatic or trichromatic vision. The evolution of larger brains, symphyseal fusion, and definitive trichromacy occurred later in anthropoid evolution.
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    Annual Review of Anthropology 29 (2000), S. 195-216 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
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    Notes: Abstract Ethnographies and anthropological analyses of Eastern Europe and the former Soviet Union published in the last decade have been shaped by two major circumstances. First, they reflect the discursive possibilities opened up by the political upheavals of November 1989 in Eastern Europe and of August 1991 in the Soviet Union; second, they express and represent the theoretical heterogeneity of contemporary American anthropology. We can characterize anthropological work in the former Soviet Union as attempts to use and explore the concept of culture in various sites of social, economic, and political transformation. By contrast, anthropologists studying postsocialist societies in Eastern Europe have turned from analyses of the cultural practices of groups on the margins of modernizing state projects to accounts of how communities are shaped by systemic changes in the political economy of states.
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    Annual Review of Anthropology 29 (2000), S. 217-242 
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    Notes: Abstract Nucleic acids are preserved in prehistoric samples under a wide range of depositional environments. The development of new molecular methods, especially the polymerase chain reaction, has made possible the recovery and manipulation of these molecules, and the subsequent molecular genetic characterization of the ancient samples. The analysis of ancient (a)DNA is complicated by the degraded nature of ancient nucleic acids, as well as the presence of enzymatic inhibitors in aDNA extracts. We review aspects of ancient DNA preservation, a variety of methods for the extraction and amplification of informative DNA segments from ancient samples, and the difficulties encountered in documenting the authenticity of ancient DNA template. Studies using aDNA to address questions in human population history or human evolution are reviewed and discussed. Future prospects for the field and potential directions for future aDNA research efforts in physical anthropology are identified.
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    Annual Review of Anthropology 29 (2000), S. 243-285 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract The past two decades have witnessed a minor explosion in publications dealing with the ways in which gay men and lesbians use language. In fact, though, work on the topic has been appearing in several disciplines (philology, linguistics, women's studies, anthropology, and speech communication) since the 1940s. This review charts the history of research on "gay and lesbian language," detailing earlier concerns and showing how work of the 1980s and 1990s both grows out of and differs from previous scholarship. Through a critical analysis of key assumptions that guide research, this review argues that gay and lesbian language does not and cannot exist in the way it is widely imagined to do. The review concludes with the suggestion that scholars abandon the search for gay and lesbian language and move on to develop and refine concepts that permit the study of language and sexuality, and language and desire.
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    Annual Review of Anthropology 29 (2000), S. 329-355 
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    Notes: Abstract This review inverts the idiom "family values" to show the value of the family. It grounds this value in family economic activity but advocates an interactive approach in which cultural commitments to the family influence economic and political outcomes. Historical and ethnographic research on the family is mustered to illustrate the interaction and then combined with theories of capitalism and nationalism to account for the resonance of the family values discourse. A final section reviews the potential dangers of family-focused research. That tradesman who does not delight in his family will never long delight in his business. D. Defoe
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    Annual Review of Anthropology 29 (2000), S. 287-328 
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    Notes: Abstract The human body-and its parts-has long been a target for commodification within myriad cultural settings. A discussion of commodification requires that one consider, first, the significance of the body within anthropology and, second, what defines a body "part." After exploring these initial questions, this article outlines dominant theoretical approaches to commodification within anthropology, with Mauss and Marx figuring prominently. The discussion then turns to historically well-documented forms of body commodification: These include slavery and other oppressive labor practices; female reproduction; and the realms of sorcery and endocannibalism. An analysis here uncovers dominant established approaches that continue to drive current studies. The remainder of this article concerns emergent biotechnologies, whose application in clinical and other related scientific arenas marks a paradigmatic shift in anthropological understandings of the commodified, fragmented body. The following contexts are explored with care: reproductive technologies; organ transplantation; cosmetic and transsexual surgeries; genetics and immunology; and, finally, the category of the cyborg. The article concludes with suggestions for an integrated theoretical vision, advocating greater cross-fertilization of analytical approaches and the inclusion of an ethics of body commodification within anthropology.
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    Annual Review of Anthropology 29 (2000), S. 405-424 
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    Notes: Abstract This article presents arguments for supplementing linguistic work focused on abstract social systems (languages, dialects, varieties) with linguistic work focused on individual speakers. It begins by reviewing how the individual speaker has been conceived of (when at all) in linguistics and linguistic anthropology. Two areas of linguistic research, discourse processing and linguistic variation and change, serve as examples of what is to be gained by supplementing a linguistics of systems with a linguistics of speakers. Finally, interest in the individual voice is placed in the context of a larger shift toward a more phenomenological approach to language and greater particularity in methods for its study.
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    Annual Review of Anthropology 29 (2000), S. 357-404 
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    Notes: Abstract The New Guinea region is the most linguistically diverse region in the world, with some 1000 languages in an area smaller than 900,000 km2. There are about three dozen language families and close to the same number of language isolates, although two very different language families, each with about 300 languages, dominate: the coastal Austronesian languages, and the montane Trans New Guinea family. The other, smaller families are largely restricted to the northern lowlands. Typologically, the languages exhibit enormous variation and many unusual properties. Vowel systems in which central vowels predominate and consonantal systems lacking fricatives and, rarer still, nasals are attested. Morphological types range from isolating to polysynthetic, and most languages are head marking. Verbs normally carry more complex inflection than do nouns. Of nominal categories, gender is often exuberantly elaborated, but surprisingly case is not, the weak development being an areal feature, in contrast to Australian languages on the one hand and those of Eurasia on the other. Syntactically, languages fall into left-headed and right-headed types, represented by Austronesian and Trans New Guinea, respectively. Clause chaining and associated morphological structures such as switch reference are a salient feature of right-headed and particularly Trans New Guinea languages. Discourse structures are often highly elliptical, with the verbal morphology providing signals for the recovery of elided information and the cohesion of the text. Highly ritualized texts, such as songs, are characterized by strict formal rules of parallelism and trope usage. Other than Austronesian, no language family has congeners outside the region, and within it, large-scale processes of convergence have shaped languages over many millennia, giving rise to areal traits.
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    Annual Review of Anthropology 29 (2000), S. 447-466 
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    Notes: Abstract This paper provides a survey of critical discourse analysis (CDA), a recent school of discourse analysis that concerns itself with relations of power and inequality in language. CDA explicitly intends to incorporate social-theoretical insights into discourse analysis and advocates social commitment and interventionism in research. The main programmatic features and domains of enquiry of CDA are discussed, with emphasis on attempts toward theory formation by one of CDA's most prominent scholars, Norman Fairclough. Another section reviews the genesis and disciplinary growth of CDA, mentions some of the recent critical reactions to it, and situates it within the wider picture of a new critical paradigm developing in a number of language-oriented (sub) disciplines. In this critical paradigm, topics such as ideology, inequality, and power figure prominently, and many scholars productively attempt to incorporate social-theoretical insights into the study of language.
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    Annual Review of Anthropology 29 (2000), S. 425-446 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract Historical archaeologists have given relatively scant attention to the study of Native Americans. Despite the potential to contribute to new understandings about Native peoples during and after European contact, the research commitment has been ambivalent at best. In this review, I ground this relationship in early debates about the field's subject matter and concurrent discussions in anthropology about direct-historical and acculturation models. In addition, I highlight currents in research that have refined these approaches as well as those that have charted new directions. The latter are notable for helping comprehend the role of place and tradition in Native peoples' lives, but also for reminding us of the complexities of identity construction in America after European contact. I reason that historical archaeology's use of multiple sources, if linked creatively, can be crucial in producing knowledge about the past that illuminates the rich diversity of experiences among Native Americans. "Did these occurrences have a paradigm...that went back in time? Or are we working out the minor details of a strictly random pattern?" Erdrich (1998:240) "...all of us remembering what we have heard together-that creates the whole story the long story of the people." Silko (1981:7)
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    Annual Review of Anthropology 29 (2000), S. 467-492 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract This review discusses anthropological research that analyzes the practices through which individuals and groups produce music, video, film, visual arts, and theater, and the ideological and institutional frameworks within which these processes occur. Viewing these media and popular culture forms as arenas in which social actors struggle over social meanings and as visible evidence of social processes and social relations, this research addresses the social, political, and aesthetic dimensions of these productions. The review considers the ways these studies treat the material and discursive practices of cultural producers as complex, often contradictory, sites of social reproduction and as potential sites of social transformation. It also considers the ways this research responds to the challenges associated with conducting fieldwork and producing ethnography in and about a global economy and "media-saturated" world.
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    Annual Review of Anthropology 29 (2000), S. 493-524 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Abstract Some scholars have championed the view that small-scale societies are conservers or even creators of biodiversity. Others have argued that human populations have always modified their environments, often in ways that enhance short-term gains at the expense of environmental stability and biodiversity conservation. Recent ethnographic studies as well as theory from several disciplines allow a less polarized assessment. We review this body of data and theory and assess various predictions regarding sustainable environmental utilization. The meaning of the term conservation is itself controversial. We propose that to qualify as conservation, any action or practice must not only prevent or mitigate resource overharvesting or environmental damage, it must also be designed to do so. The conditions under which conservation will be adaptive are stringent, involving temporal discounting, economic demand, information feedback, and collective action. Theory thus predicts, and evidence suggests, that voluntary conservation is rare. However, sustainable use and management of resources and habitats by small-scale societies is widespread and may often indirectly result in biodiversity preservation or even enhancement via creation of habitat mosaics.
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    Annual Review of Environment and Resources 25 (2000), S. 1-19 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A young man adrift, I was rescued by Paul Gast, a college classmate, and sent off to Columbia's Lamont Geological Observatory as a summer intern. As it turns out, I am still there. During this 47-year sojourn, I have been a participant in the enormous expansion of the field of isotope geochemistry. I experienced the golden age when so many plums awaited picking that we, the pioneers, gorged ourselves with exciting discovery. Being at what is now called Lamont-Doherty Earth Observatory put me at the center of many of the developments that changed forever the Earth Sciences. It also made me part of the great challenge associated with the drive to replace the exploitative mode that characterized the Industrial Revolution with what is often referred to as the sustainable mode. In the following pages I recount my path from confused youth to the globe-encircling oceanic "conveyor belt."
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    Annual Review of Environment and Resources 25 (2000), S. 147-197 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The 1990s saw a resurgence in the windpower industry, with installed grid-connected capacity expanding more than five-fold between 1990 and 2000. Most of this increase occurred in Europe, where governmental policies aimed at developing domestic energy supplies and reducing pollutant emissions provided a sheltered market for renewable energy generation. The 1990s were also marked by a return to large, megawatt-sized wind turbines, a reduction and consolidation of wind turbine manufacturers, and increased interest in offshore windpower. This article reviews recent trends in the windpower industry, including some of the fundamental engineering principles of wind turbine design. Technological impediments and advances are discussed in the context of changes in the global electricity markets and environmental performance.
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    Annual Review of Environment and Resources 25 (2000), S. 21-51 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Civilization's advances during the twentieth century are closely bound with an unprecedented rise of energy consumption in general, and of hydrocarbons and electricity in particular. Substantial improvements of all key nineteenth-century energy techniques and introduction of new extraction and transportation means and new prime movers resulted in widespread diffusion of labor-saving and comfort-providing conversions and in substantially declining energy prices. Although modern societies could not exist without large and incessant flows of energy, there are no simple linear relationships between the inputs of fossil fuels and electricity and a nation's economic performance and social accomplishments. International comparisons show a variety of consumption patterns and a continuing large disparity between affluent and modernizing nations. The necessity of minimizing environmental impacts of energy use, particularly those with potentially worrisome global effects, is perhaps the greatest challenge resulting from the twentieth century's energy advances.
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    Annual Review of Environment and Resources 25 (2000), S. 53-88 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Phosphorus has a number of indispensable biochemical roles, but it does not have a rapid global cycle akin to the circulations of C or N. Natural mobilization of the element, a part of the grand geotectonic denudation-uplift cycle, is slow, and low solubility of phosphates and their rapid transformation to insoluble forms make the element commonly the growth-limiting nutrient, particularly in aquatic ecosystems. Human activities have intensified releases of P. By the year 2000 the global mobilization of the nutrient has roughly tripled compared to its natural flows: Increased soil erosion and runoff from fields, recycling of crop residues and manures, discharges of urban and industrial wastes, and above all, applications of inorganic fertilizers (15 million tonnes P/year) are the major causes of this increase. Global food production is now highly dependent on the continuing use of phosphates, which account for 50-60% of all P supply; although crops use the nutrient with relatively high efficiency, lost P that reaches water is commonly the main cause of eutrophication. This undesirable process affects fresh and ocean waters in many parts of the world. More efficient fertilization can lower nonpoint P losses. Although P in sewage can be effectively controlled, such measures are often not taken, and elevated P is common in treated wastewater whose N was lowered by denitrification. Long-term prospects of inorganic P supply and its environmental consequences remain a matter of concern.
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    Annual Review of Environment and Resources 25 (2000), S. 115-146 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Various applications using carbon dioxide (CO2) have developed within the last decade and, if current trends continue, the CO2 technology platform could emerge as the most commonly used solvent in the twenty-first century. An environmentally friendly platform that is wrapped in a successful business format with apparent implications for people and their communities is most likely to endure. Does the CO2 technology platform meet the criteria for becoming a sustainable enterprise? Utilizing CO2 as an alternative solvent in conventional processes has the potential to favorably impact the environment and our communities. There are, however, several barriers to adopting CO2-based applications. Several concepts as well as obstacles to adopting the carbon dioxide technology platform are highlighted in this chapter.
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    Annual Review of Environment and Resources 25 (2000), S. 199-244 
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract An ultimate limit on the extent that biomass fuels can be used to displace fossil transportation fuels, and their associated emissions of CO2, will be the land area available to produce the fuels and the efficiencies by which solar radiation can be converted to useable fuels. Currently, the Brazil cane-ethanol system captures 33% of the primary energy content in harvested cane in the form of ethanol. The US corn-ethanol system captures 54% of the primary energy of harvested corn kernels in the form of ethanol. If ethanol is used to substitute for gasoline, avoided fossil fuel CO2 emissions would equal those of the substituted amount minus fossil emissions incurred in producing the cane- or corn-ethanol. In this case, avoided emissions are estimated to be 29% of harvested cane and 14% of harvested corn primary energy. Unless these efficiencies are substantially improved, the displacement of CO2 emissions from transportation fuels in the United States is unlikely to reach 10% using domestic biofuels. Candidate technologies for improving these efficiencies include fermentation of cellulosic biomass and conversion of biomass into electricity, hydrogen, or alcohols for use in electric drive-train vehicles.
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    Annual Review of Environment and Resources 25 (2000), S. 285-312 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The first phase of promoting renewable energy in Europe is coming to an end. The timetable of the European Commission's Single Electricity Market (SEM) Directive has been the key recent driver of change within European energy and electricity markets. As mainland European countries have been forced to restructure their electricity industries and reappraise their renewable energy policies, they have been impressed by the results of the England and Wales Renewable Non-Fossil Fuel Obligation (NFFO). The NFFO is a mechanism for promoting renewable energy that has a competitive basis. However, the United Kingdom is in the process of creating a new policy. As new renewable energy policies have been discussed or put in place in mainland European countries, so these have influenced those of the United Kingdom. Renewable energy policies throughout Europe are converging. This paper analyzes the history behind these changes and underlines the lessons to be learned.
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    Annual Review of Environment and Resources 25 (2000), S. 245-284 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Geoengineering is the intentional large-scale manipulation of the environment, particularly manipulation that is intended to reduce undesired anthropogenic climate change. The post-war rise of climate and weather modification and the history of U.S. assessments of the CO2-climate problem is reviewed. Proposals to engineer the climate are shown to be an integral element of this history. Climate engineering is reviewed with an emphasis on recent developments, including low-mass space-based scattering systems for altering the planetary albedo, simulation of the climate's response to albedo modification, and new findings on iron fertilization in oceanic ecosystems. There is a continuum of human responses to the climate problem that vary in resemblance to hard geoengineering schemes such as space-based mirrors. The distinction between geoengineering and mitigation is therefore fuzzy. A definition is advanced that clarifies the distinction between geoengineering and industrial carbon management. Assessment of geoengineering is reviewed under various framings including economics, risk, politics, and environmental ethics. Finally, arguments are presented for the importance of explicit debate about the implications of countervailing measures such as geoengineering.
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    Annual Review of Environment and Resources 25 (2000), S. 313-337 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Industrial symbiosis, as part of the emerging field of industrial ecology, demands resolute attention to the flow of materials and energy through local and regional economies. Industrial symbiosis engages traditionally separate industries in a collective approach to competitive advantage involving physical exchange of materials, energy, water, and/or by-products. The keys to industrial symbiosis are collaboration and the synergistic possibilities offered by geographic proximity. This paper reviews the small industrial symbiosis literature and some antecedents, as well as early efforts to develop eco-industrial parks as concrete realizations of the industrial symbiosis concept. Review of the projects is organized around a taxonomy of five different material exchange types. Input-output matching, stakeholder processes, and materials budgeting appear to be useful tools in advancing eco-industrial park development. Evolutionary approaches to industrial symbosis are found to be important in creating the level of cooperation needed for multi-party exchanges.
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  • 74
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    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Fossil fuels account for about 80% of energy consumption in Asia. Because of its abundance and easy recoverability, especially in India and China, coal will remain the fuel of choice in the foreseeable future. If current trends continue, sulfur dioxide emissions from Asia may soon equal the emissions from North America and Europe combined. These trends portend a variety of local, regional, and global environmental impacts. Acid rain damages human health, ecosystems, and built surfaces. Many ecosystems will be unable to absorb these increased acidic depositions, leading to irreversible ecosystem damage with far-reaching implications for health, forestry, agriculture, fisheries, and tourism. RAINS-ASIA is a scenario-generating tool used to estimate the extent of damages caused by acid rain and to review the costs and impacts of alternatives to provide a look into the future. Its use extends from national-, regional-, and city-scale evaluation and inputs for cost-effective options analyses, to international negotiations on transboundary pollution.
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    Annual Review of Environment and Resources 25 (2000), S. 477-535 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Over the past 25 years more than 20 major studies have examined the technological potential to improve the fuel economy of passenger cars and light trucks in the United States. The majority have used technology/cost analysis, a combination of analytical methods from the disciplines of economics and automotive engineering. In this review we describe the key elements of this methodology, discuss critical issues responsible for the often widely divergent estimates produced by different studies, review the history of this methodology's use, and present results from six recent assessments. Whereas early studies tended to confine their scope to the potential of proven technology over a 10-year time period, more recent studies have focused on advanced technologies, raising questions about how best to include the likelihood of technological change. The review concludes with recommendations for further research.
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    Annual Review of Environment and Resources 25 (2000), S. 377-439 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The notion of capacity development (CD) has been receiving increasing attention as a way to assist the South in its environmental management. Consequently, there has been an exploration of various facets of the capacity issue in the literature and an incorporation of CD in environmental programs of donor agencies. Yet, many of these discussions have remained rather broad, and efforts to develop environmental capacity have shown only limited success. Based on an examination of the capacity needs for environmental management in agriculture and industry, and for dealing with climate change, this review suggests that strengthening domestic capabilities for policy research and innovation as well as for managing technological change may be particularly critical to allow for adaptation of policies and technologies for local conditions and needs. Examination of innovative local experiments on environmental management in developing countries can also provide useful lessons on how to develop and utilize capacity that works under the constrained conditions often found in developing countries. Furthermore, it is important to stress that improving the environment in developing countries also requires capacity in the North to examine and reorient Northern policies that impact the environment, as well as capacity for the environment, in the poorer parts of the world. Ultimately, though, the development of sustainable and appropriate capacity for the environment will require not merely donor-driven programs but a systematic effort driven by Southern governments and organizations.
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    Annual Review of Environment and Resources 25 (2000), S. 441-475 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Water vapor is the dominant greenhouse gas, the most important gaseous source of infrared opacity in the atmosphere. As the concentrations of other greenhouse gases, particularly carbon dioxide, increase because of human activity, it is centrally important to predict how the water vapor distribution will be affected. To the extent that water vapor concentrations increase in a warmer world, the climatic effects of the other greenhouse gases will be amplified. Models of the Earth's climate indicate that this is an important positive feedback that increases the sensitivity of surface temperatures to carbon dioxide by nearly a factor of two when considered in isolation from other feedbacks, and possibly by as much as a factor of three or more when interactions with other feedbacks are considered. Critics of this consensus have attempted to provide reasons why modeling results are overestimating the strength of this feedback. Our uncertainty concerning climate sensitivity is disturbing. The range most often quoted for the equilibrium global mean surface temperature response to a doubling of CO2 concentrations in the atmosphere is 1.5oC to 4.5oC. If the Earth lies near the upper bound of this sensitivity range, climate changes in the twenty-first century will be profound. The range in sensitivity is primarily due to differing assumptions about how the Earth's cloud distribution is maintained; all the models on which these estimates are based possess strong water vapor feedback. If this feedback is, in fact, substantially weaker than predicted in current models, sensitivities in the upper half of this range would be much less likely, a conclusion that would clearly have important policy implications. In this review, we describe the background behind the prevailing view on water vapor feedback and some of the arguments raised by its critics, and attempt to explain why these arguments have not modified the consensus within the climate research community.
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    Annual Review of Environment and Resources 25 (2000), S. 537-566 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Theoretical considerations and empirical data suggest that existing technologies and procedures can improve indoor environments in a manner that significantly increases productivity and health. The existing literature contains moderate to strong evidence that characteristics of buildings and indoor environments significantly influence rates of communicable respiratory illness, allergy and asthma symptoms, sick building symptoms, and worker performance. Whereas there is considerable uncertainty in the estimates of the magnitudes of productivity gains that may be obtained by providing better indoor environments, the projected gains are very large. For the United States, the estimated potential annual savings and productivity gains are $6 to $14 billion from reduced respiratory disease, $1 to $4 billion from reduced allergies and asthma, $10 to $30 billion from reduced sick building syndrome symptoms, and $20 to $160 billion from direct improvements in worker performance that are unrelated to health. Productivity gains that are quantified and demonstrated could serve as a strong stimulus for energy efficiency measures that simultaneously improve the indoor environment.
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    Annual Review of Environment and Resources 25 (2000), S. 601-627 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Low environmental damage is one of the main justifications for continued efforts to reduce energy consumption and to shift to cleaner sources such as solar energy, especially now that supply security has slipped from public consciousness. In recent years there has been much progress in the analysis of environmental damages, in particular thanks to the ExternE (External Costs of Energy) Project of the European Commission. This paper presents a summary of the methodology and key results for the external costs of the major energy technologies. Even though the uncertainties are large, the results provide substantial evidence that the classic air pollutants (particles, NOx and SOx) from fossil fuels impose significant public health costs, comparable to the cost of global warming from CO2 emissions.
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    Annual Review of Environment and Resources 25 (2000), S. 567-600 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Current guidelines for green buildings are cursory and inadequate for specifying materials and designing ventilation systems to ensure a healthful indoor environment, i.e. a "healthy building," by design. Public perception, cultural preferences, litigation trends, current codes and regulations, and rapid introduction of new building materials and commercial products, as well as the prevailing design-build practices, pose challenges to systems integration in the design, construction and operation phases of modern buildings. We are on the verge of a paradigm shift in ventilation design thinking. In the past, thermal properties of air within a zone determined heating, ventilating, and air-conditioning specifications. In the future, occupant-specific and highly responsive systems will become the norm. Natural ventilation, displacement ventilation, and microzoning with subfloor plenums, along with the use of point-of-source heat control and point-of-use sensors, will evolve to create a "smart," responsive ventilation-building dynamic system. Advanced ventilation design tools such as the modeling of computational fluid dynamics (CFD) will be used routinely. CFD will be integrated into air quality and risk assessment models.
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    Annual Review of Environment and Resources 25 (2000), S. 629-684 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Indian megacities are among the most polluted in the world. Air concentrations of a number of air pollutants are much higher than levels recommended by the World Health Organization. In this paper, we focus on Mumbai and Delhi to characterize salient issues in health risks from particulate air (PM10) pollution in Indian cities. We perform a synthesis of the literature for all elements of the causal chain of health risks-sources, exposure, and health effects-and provide estimates of source strengths, exposure levels, and health risks from air pollution in Indian cities. We also analyze the factors that lead to uncertainty in these quantities and provide an overall assessment of the state of scientific knowledge on air pollution in urban India.
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    Annual Review of Environment and Resources 25 (2000), S. 685-740 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This paper reviews the available data and models on energy and material flows through the world's 25 largest cities. Throughput is categorized as stored, transformed, or passive for the major flow modes. The aggregate, fuel, food, water, and air cycles are all examined. Emphasis is placed on atmospheric pathways because the data are abundant. Relevant models of urban energy and material flows, demography, and atmospheric chemistry are discussed. Earth system-level loops from cities to neighboring ecosystems are identified. Megacities are somewhat independent of their immediate environment for food, fuel, and aggregate inputs, but all are constrained by their regional environment for supplying water and absorbing wastes. We elaborate on analogies with biological metabolism and ecosystem succession as useful conceptual frameworks for addressing urban ecological problems. We conclude that whereas data are numerous for some individual cities, cross-cutting compilations are lacking in biogeochemical analysis and modeling. Synthesis of the existing information will be a crucial first step. Cross-cutting field research and integrated, multidisciplinary simulations will be necessary.
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    Annual Review of Environment and Resources 25 (2000), S. 741-763 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract It is commonly assumed that biomass fuel cycles based on renewable harvesting of wood or agricultural wastes are greenhouse-gas (GHG) neutral because the combusted carbon in the form of CO2 is soon taken up by regrowing vegetation. Thus, the two fifths or more of the world's households relying on such fuels are generally not thought to play a significant role in GHG emissions, except where the wood or other biomass they use is not harvested renewably. This review examines this assumption using an emissions database of CO2, CO, CH4, NMHC, N2O, and total suspended particulate emissions from a range of household stoves in common use in India using six biomass fuels, kerosene, liquefied petroleum gas, and biogas. Because typical biomass stoves are thermally inefficient and divert substantial fuel carbon to products of incomplete combustion, their global warming commitment (GWC) per meal is high. Depending on time horizons and which GHGs are measured, the GWC of a meal cooked on a biomass stove can actually exceed that of the fossil fuels, even if based on renewably harvested fuel. Biogas, being based on a renewable fuel and, because it is a gas, being combusted with high efficiency in simple devices, has by far the lowest GWC emitted at the stove per meal and is indicative of the advantage that upgraded fuels made from biomass have in moving toward sustainable development goals. There are a number of policy implications of this work, including revelation of a range of win-win opportunities for international investment in rural energy development that would achieve cost-effective GHG reduction as well as substantial local benefits.
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    Annual Review of Environment and Resources 25 (2000), S. 765-802 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We assess the environmental health impact and policy implications of the widespread addition of methyl tert-butyl ether (MTBE) as a chemical that is used as an oxygenate to much of the gasoline supply in the United States. Initial concerns about short-term and long-term adverse health consequences following the substantial increase in MTBE use in the winter of 1992-1993 have been supplemented by the discovery in 1996 of what is now relatively widespread contamination of groundwater. We identify 14 governmental initiatives during the 10-year period 1989-1999 in which the potential adverse consequences of MTBE were considered and a nearly identical research agenda was proposed. The lessons from the ongoing MTBE episode show that: (a) research should precede rather than follow environmental health policy decisions; (b) the extent of potential human and environmental exposure should be an important criterion in determining the amount of information needed before making an environmental policy decision; (c) a better understanding of nonspecific human symptoms associated with environmental exposures is needed; (d) the boundaries between the US Environmental Protection Agency program offices should be as porous as the boundaries between environmental media; (e) the US Environmental Protection Agency needs to focus more on public health rather than on legal approaches to environmental management; (f) it is more difficult to remove a chemical once it is in commerce than it is to prevent its use; (g) resolution of uncertainty is best accomplished through research rather than through repetitive review; and (h) better tools are needed to evaluate risk/risk trade-offs. The ongoing replacement of MTBE by other, less well studied oxygenates such as tertiary amyl methyl ether indicates that these environmental public policy lessons have not been learned.
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    Annual Review of Environment and Resources 25 (2000), S. 89-113 
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Meeting the growing demand for personal mobility and transport of goods in a sustainable way presents a wide range of interrelated engineering and public policy challenges. This chapter reviews some of the technical options being developed for mitigating the local and global environmental impact of road vehicles, made possible using developments in the materials and combustion sciences, sensor technologies, catalysis, and information processing. Although the improved technical performance of these options can be quantified, the likelihood of commercial success is harder to predict. This review considers factors that may support the adoption of innovative vehicle technologies, recognizing that the ubiquity of existing solutions and infrastructures will make any change process complex.
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