ENVIRONMENTAL SCIENCE
American Rivers
Pro-protection site with good data and links to relevant governmental data and organizations
Bay Link Many links to the study of the Chesapeake Bay
Climate Prediction Center (NOAA)
Disposition of Air Pollutants to the Great Waters [.pdf]
EPA assessment; includes the Great Lakes and the Chesapeake Bay, among others. An annual report.
"Distribution of Major Herbicides in the Ground Water of the United States" [.pdf, 3.4 M]
United States Geological Survey Report.
The ENSO Cycle (El Nino Southern Oscillation Cycle)
Graphs, images, photographs, and summaries of the mean state of the Ocean, the ENSO Cycle, El Nino, and La Nina.
EPA Student Center
EXTOXNET - (Extension Toxicology Network)
"objective, science-based information about pesticides" (and other toxic chemicals). Includes pesticide profiles--trade names, regulatory status, chemical class, formulation, toxicological effects, ecological effects, environmental fate, physical properties, exposure guidelines, basic manufacturer, and references.
Forestry Images (Univ. Georgia and USDA Forest Service)
Hundreds of images for educational use of plants, insects, pests, invasive organisms, trees, people, places and things.
Frogwatch USA - (Patuxent Wildlife Research Center)
Site hosts a citizen science initiative to track frog and toad populations across the U.S.
Inventory and Monitoring Program
National Park Service provides a long-term ecological monitoring program, species list, vegetation maps, and soils and geology maps.
Major Biomes of the World
Regional ecological groups of plants, soils, animals, climates--covers the globe
Our Changing Planet: the Fiscal 2002 U. S. Global Change Research Program
The Ozone Hole Tour
Pesticide National Synthesis Project
United States Geological Survey and Environmental Protection Agency Report.
Total Maximum Daily Load Program (EPA)
How much pollution can a water body receive and still meet water quality standards? This site also has in interactive map of all states that shows water systems and progress.
World in Our Backyard [.pdf]
Detailed information on wetlands. Produced by EPA.
World Wildlife Federation
