Carbon Dioxide Information Analysis Center
http://cdiac.esd.ornl.gov
Climate Ark: Climate Change Portal
www.climateark.org/
Climate Wire
Climatewire.org
Exploratorium: Global Climate Change
www.exploratorium.edu/climate
Intergovernmental Panel on Climate Change
http://www.ipcc.ch/
National Oceanic and Atmospheric Administration
http://www.noaa.gov/climate.html
United Nations Framework Convention on Climate Change
http://unfccc.int/
United Nations Environment Program
http://grida.no/climate/
United States Department of Energy
http://www.energy.gov/
United States Department of State
http://www.state.gov/g/oes/climate
United States Environmental Protection Agency
http://www.epa.gov/globalwarming/
United States National Assessment
http://www.gcrio.org/NationalAssessment/
The United States Global Change Research Program (USGCRP)
http://www.usgcrp.gov
World Meteorological Organization
http://www.wmo.ch/index-en.html
