U.S. Government Web Sites
- America.gov Energy and Environment Page
- Climate Change Technology Program
- National Aeronautics and Space Administration (NASA) - Climate Change
- National Oceanic and Atmospheric Administration (NOAA)
- National Oceanic Atmospheric Administration Climate Program Office
- National Oceanic Atmospheric Administration’s COP-15 Website
- National Science Foundation Directorate for Geosciences
- National Science Foundation Special Report on Researching the Impacts of Climate Change Around the World
- United States Agency for International Development- Global Climate Change
- United States Global Change Research Program
- United States Department of Agriculture – Climate Change
- United States Department of Agriculture Forest Service Climate Change Page
- United States Department of Commerce’s U.S. Commercial Service's Renewable and Green Energy
- United States Department of Energy – Climate Change
- United States Department of the Interior Climate Change
- United States Department of Transportation – Climate Change
- United States Department of State Climate Change Page
- United States Environmental Protection Agency Climate Change
- United States Department of Agriculture Forest Service Climate Change Page
- United States International Polar Year