ENVIRONMENTAL SCIENCES

• Environmental Sciences and Pollution Management. Bethesda: Cambridge Scientific Abstracts, 1994–. Provides abstracts of research from nearly 6,000 journals as well as reports, conference proceedings, and books published since 1967 on ecology, energy, pollution, waste management, toxicology, risk assessment, environmental biotechnology, and water resources.

• Environmental Media Serviceshttp://www.ems.org A nonprofit clearinghouse for environmental and public health issues. Includes breaking news, "backgrounders" on topics in environmental health, transportation, climate and air quality, land use, and oceans and water. For each topic, there are fast facts, background, links to sources, and often contacts. Aimed at working journalists, this site is a good source of news and information.
• National Library for the Environmenthttp://www.ncseonline.org/NLE A digital archive of material, including reports on "hot topics,"Congressional Research Service reports, and abstracts and links to over 14,000 reports on population and the environment. This site is a project of the National Council for Science and the Environment.
• U.S. Environmental Protection Agencyhttp://www.epa.gov Offers information on topics such as acid rain, lead, ozone, and wetlands, as well as technical publications, legal and regulatory information, and a database of enforcement and compliance actions taken by the EPA. The Envirofacts portal at <http://www.epa.gov/enviro/index_java.html>. provides detailed environmental data on local water quality, toxic emissions, and other information, searchable by zip code.
• World Resources Institutehttp://www.wri.org Offers many digital publications on environmental issues, including country profiles and EarthTrends (<http://earthtrends.wri.org>.), a portal for a wealth of data on environmental topics including population, energy, water resources, biodiversity, and economic issues affecting the environment.

• Encyclopedia of Biodiversity. Ed. Simon Asher Levin. 5 vols. San Diego: Academic Press, 2001. Provides in-depth, scholarly articles on topics ranging from agriculture, conservation, economic aspects of biodiversity, microbial biodiversity, public policy, and systematics.
• Encyclopedia of Endangered Species. 2 vols. Detroit: Gale Group, 1994. Describes over 700 animals and plants currently threatened with extinction. Arranged taxonomically; an index provides access by common and scientific names. For each species the status, description and biology, habitat and current distribution, and history and conservation measures are described. Includes indexes by geographic location and a list of wildlife and conservation organizations.
• Encyclopedia of Energy, Technology, and the Environment. Ed. Attilio Bisio and Sharon Boots. 4 vols. New York: Wiley, 1995. Provides lengthy articles on the technologies used to produce energy and their effects on the environment. There are many tables, graphs, and diagrams, and most articles, written by experts in the field, are followed by extensive bibliographies. Wiley Encyclopedia of Energy and the Environment (1997) is a condensed edition in two volumes.
• Encyclopedia of the Biosphere. Ed. Ramon Folch. 11 vols. Detroit: Gale Group, 2000. Covers world habitats such as tropical rain forests, savannahs, prairies, and lakes, in lavishly illustrated volumes. The work is based on a 1998 Catalan publication compiled under the sponsorship of UNESCO.
• Encyclopedia of World Environmental History. Ed. Shepard Krech, J. R. McNeill, and Carolyn Merchant. 3 vols. New York: Routledge, 2004. Covers topics, events, people, natural resources, and aspects of human interaction with the environment worldwide. This work provides historical surveys of environmental issues such as deforestation and extinction; it also offers regional and national overviews as well as essays on subfields such as environmental philosophy.
• Vital Signs: The Environmental Trends That Are Shaping Our Future. Ed. Lester R. Brown. New York: Norton, 1992–. A compilation of statistics and analysis of major trends in food production, energy, atmosphere, the economy, and social factors such as population growth, epidemics, and refugees. This work was produced under the auspices of the Worldwatch Institute.