This report provides a brief overview of the state of science of air quality forecasting. The report was composed to guide future federal research in air quality forecasting.

This report presents a study of policies and measures that could dramatically reduce US greenhouse gas emissions over the next two decades. It examines a broad set of national policies to increase energy efficiency, accelerate the adoption of renewable energy technologies, and shift energy use to less carbon-intensive fuels. The policies address major areas of energy use in residential and commercial buildings, industrial facilities, transportation, and power generation.

What is the overall state of the Arctic environment? The aim of this report is to answer the many aspects of this seemingly straightforward question. Although several national and international efforts have looked at parts of the Arctic, this is the first attempt to assess the state of Arctic flora and fauna as a whole.

Bill introduced by the California Senate to revise the functions and duties of the California Climate Action Registry and requires the Registry, in coordination with CEC to adopt third-party verification metrics, developing GHG emissions protocols and qualifying third-party organizations to provide technical assistance and certification of emissions baselines and inventories. SB 527 amended SB 1771 to emphasize third-party verification.

This study analyzes the employment, macroeconomic, energy and environmental impacts of implementing the Climate Protection Scenario.

This feature article provides a summary of study about the role of clouds in the balance. Until recently, scientists were uncertain whether clouds had an overall net cooling or heating effect on the Earth's climate. But recent studies show that, in the tropics, a "near cancellation" between shortwave cooling and longwave warming exists, which indicates that the amount of incoming radiant energy is roughly equal to the amount of outgoing radiation. However, small changes in tropical cloudiness can disrupt this precarious balance.

Proceedings of a workshop to discuss coral reef research, monitoring, and marine protected area (MPA) management. It includes workshop summary information, specific papers presented during the event, and relevant appendixes.

This press release summarizes the findings of a new study. Saharan dust clouds travel thousands of miles and fertilize the water off the West Florida coast with iron, which kicks off blooms of toxic algae. The research was partially funded by a NASA grant as part of ECOHAB: Florida (Ecology and Oceanography of Harmful Algal Blooms), a multi-disciplinary research project designed to study harmful algae.

The PAGES research community works toward improving our understanding of the Earth's changing environment. By placing current and future global changes in a long term perspective, they can be assessed relative to natural variability. Since the industrial revolution, the Earth System has become increasingly affected by human activities. Natural and human processes are woven into a complex tapestry of forcings, responses, feedbacks and consequences. Deciphering this complexity is essential as we plan for the future. Paleoenvironmental research is the only way to investigate Earth System processes that operate on timescales longer than the period of instrumental records.

The strong altitudinal gradients in mountain regions provide unique and sometimes the best opportunities to detect and analyse global change processes and phenomena. Meteorological, hydrological, cryospheric and ecological conditions change strongly over relatively short distances; thus biodiversity tends to be high, and characteristic sequences of ecosystems and cryospheric systems are found along mountain slopes. The boundaries between these systems experience shifts due to environmental change and thus may be used as indicators of such changes. The higher parts of many mountain ranges are not affected by direct human activities. These areas include many national parks and other protected environments. They may serve as locations where the environmental impacts of climate change alone, including changes in atmospheric chemistry, can be studied directly. Mountain regions are distributed all over the globe, from the Equator almost to the poles and from oceanic to highly continental climates. This global distribution allows us to perform comparative regional studies and to analyse the regional differentiation of environmental change processes as characterised above. Therefore, within the IGBP an Initiative for Collaborative Research on Global Change and Mountain Regions was developed, which strives to achieve an integrated approach for observing, modelling and investigating global change phenomena and processes …

The PAGES research community works toward improving our understanding of the Earth's changing environment. By placing current and future global changes in a long term perspective, they can be assessed relative to natural variability. Since the industrial revolution, the Earth System has become increasingly affected by human activities. Natural and human processes are woven into a complex tapestry of forcings, responses, feedbacks and consequences. Deciphering this complexity is essential as we plan for the future. Paleoenvironmental research is the only way to investigate Earth System processes that operate on timescales longer than the period of instrumental records.

This report discusses different perspectives used to consider issues related to the global climate change and issues related to the 1992 U.N. Framework Convention on Climate Change and the 1997 Kyoto Agreement.

Average temperature has risen 1 degree F over the last century in the Mid-Atlantic Region as well as across the globe. Climate science is developing rapidly and many studies project additional warming. Although the future is uncertain and difficult to predict, our best science suggests the following changes are likely. The Mid-Atlantic Region will be somewhat warmer and perhaps wetter, resulting in a wide range of impacts on plants, wildlife, and humans. Human activities that release heat-trapping gases into the atmosphere will continue to accelerate the observed warming trend. Climate change will compound existing stresses from population density and development. The region's overall economy is quite resilient, but impacts will be more severe for some economic activities and localities.

The degree to which carbon flows balance each other - human activities leading to carbon emissions into the atmosphere, vegetation and oceans soaking it up - is the subject of vigorous debate. It is not yet possible to define quantitatively the global effects of human activities such as forestry and agriculture, and may never be so. However, studies to determine these effects have emerged as critical for understanding how the earth's climate will evolve in the future. Global concern about the potential implications of the behaviour of the carbon cycle under anthropogenic stress includes concepts of system instability and large scale change. To contribute to understanding this behaviour, and our potential responses to it, requires a thorough investigation of both biophysical and social systems. Until recently, most scientific assessments of such risks focused on the anatomy of conceivable environmental changes themselves, devoting little attention to either the human driving forces or the ecosystems and societies that might be endangered by the changes. Recently, however, questions about the linkage and interaction of social, ecological, and biogeochemical systems are emerging as a central focus of policy-driven assessments of global environmental risks. The approach used here is to accept humans as an integral …

This government report describes pollutants which are carried between continents by air currents. The report also addresses current and future research to better understand how these pollutants are transported.

This Law was formulated in order to prevent desertification, to improve and reclaim desertified land, to protect the environment, and to promote a sustainable economy and society.

This book is a series of reports summarizing discussions and recommendations from a series of forums about strategies to deal with natural disaster. The focus is on changing human behavior and development in order to coexist with natural phenomena rather than trying to control natural phenomena.

Researchers at NASA and the University of Maryland, Baltimore County (UMBC), studying changes in tropical precipitation patterns, have noted a higher frequency of El Niños and La Niñas over the last 21 years. In addition, when either of those events occur, the world can expect more months with unusually high or low precipitation with droughts more common than floods over land areas.

This report is an update on progress of federal plant genome research. The focus in this report is on plants that are economically important to agribusiness.

The State Council approved the National Tenth Five-Year Plan for Environmental Protection on 26 December 2001, requesting that loca1 governments and the various departments strengthen environmental protection in close relation with the economic restructuring; raise funds for environmental protection through multiple channels in connection with the expansion of domestic demand, and establish the mechanism of environmental protection with the government playing the dominant role with market promotion and public participation. The State Council emphasizes that local governments should undertake the major responsibilities of environmental protection. The governments at various levels should integrate the tasks of the Plan into the target responsibility system for provincial governors, mayors, and county heads. Periodic examination should be carried out on the targets of total pollutant discharge control and environmental quality. The implementation of the Plan should be inspected and reported on every year. The State Council requests that the relevant departments should provide guidance and support in implementing the Plan according to their respective responsibilities. The State Environmental Protection Administration should conduct coordinated supervision, management, and inspection of the implementation of the Plan.

Recognizing the need for the region to provide leadership on the critical issue of climate change and greenhouse gas (GHG) emissions, the New England Governors and Eastern Canadian Premiers established the regional climate change program in 2000. While the northeast represents a significant economic region with greenhouse gas emissions roughly equivalent to those of Spain, climate change is an international issue for which our states and provinces are only a relatively small part of the problem. However, through their leadership the Governors and Premiers have established our region as an internationally-recognized part of the solution.

New findings suggest that the deep ocean is teeming with organisms that produce essential natural fertilizers. A National Science Foundation (NSF)-funded research team led by Jonathan Zehr, a marine scientist at the University of California, Santa Cruz, has discovered a previously unknown type of photosynthetic bacteria that fixes nitrogen, converting nitrogen from the atmosphere into a form other organisms can use.

New data from tree rings from 500 sites around the world are now available from NOAA. These data are important because they provide climate scientists and resource managers with records of past climatic variability extending back thousands of years.

El Niño is an abnormal warming of the ocean temperatures across the eastern tropical Pacific that affects weather around the globe. El Niño episodes usually occur approximately every four-five years. NOAA researchers and scientists are presently monitoring the formation of a possible weak El Niño and predict that the United States could experience very weak-to-marginal impacts late winter to early spring 2002.