Nature Net encompasses five web sites that cover air quality, biology, geology, social science and water resources within the National Park Service. Each category includes general information, descriptions of programs and policies, scientific information, publications, educational resources and photographs. This site is a good starting point for research or information about the natural resources ... Full description.

The National Biological Information Infrastructure (NBII) is a broad, collaborative program to provide increased access to data and information on the nation's biological resources. NBII contains databases, teacher resources, references, information on current issues and geographically specific information pertaining to the biological sciences. Searchable databases include information on botany, fisheries, ... Full description.

This site is designed to provide quick and easy access to a wide range of US health data. Data types include births, deaths, infant mortality, women's health, trends in health and aging, and health statistics for children and adults. Data is in the form of tables, fact sheets, reports and customizable tables. The site also has links to additional sources of health information and accepts electronic ... Full description.

This site provides links to USGS information about mercury sources, cycling and toxicity in the environment. The site features announcements about upcoming workshops and activities, fact sheets and reports, fish consumption advisories, and links to other programs and agencies working on the issue of mercury in the environment. Full description.

This CDC site features links to a number of topics concerning environmental and human health. Topics include air quality, carbon monoxide, chemical agents, disasters and extreme weather, hydrocarbons, lead, radiation studies, water quality, and many more. Resources for each topic include fact sheets, reports, and links to further resources and related subject areas. Full description.

This site is the EPA's home page for the PCB contamination of the Hudson River by the General Electric Company and the ongoing remediation efforts by the EPA. The site features information and news about the project background and design, progress-to-date, community involvement, and a gallery of maps, photographs and videos of the project site and activities. Full description.

This clearinghouse site provides information about health and safety in the mining industry. The site features links to fact sheets, statistics, data, research projects, training materials, publications, educational and occupational software, and national laboratories. Full description.

This EPA site provides information about health and safety issues concerning Superfund sites. It features links to information about the hazards related to contaminant exposure, emergency response programs, guidelines for pollution prevention, safety tips for environmental cleanup, risk assessment, reporting hazardous substance releases, and other environmental and human health related sites. Full description.

This EPA site provides links to resources concerning Superfund laws, regulations, policies, and guidances for hazardous waste sites and soil and groundwater remediation. Full description.

This site provides a listing of major environmental laws and regulations which may be viewed in full text or as summary versions. Laws include the National Environmental Policy Act, the Clean Air Act, the Clean Water Act, the Comprehensive Environmental Response, Compensation, and Liability Act (Superfund), the Endangered Species Act, the Freedom of Information Act, the Occupational Safety and Health ... Full description.