National Council for Science and the Environment
Site of the NCSE, a non-profit which provides scientific information to help communities and governments make environmental decisions.
http://ncseonline.org
The Nature Conservancy
Site which provides information about preserving life on Earth by protecting natural resources such as plants, land and water.
http://www.nature.org
Science.gov
Government portal site with information about science and the environment.
http://www.science.gov
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