Intergovernmental Panel on Climate Change
United Nations Framework Convention on Climate Change
Stern Review on the Economics of Climate Change
United States Global Change Research Program
Real Climate: Climate Science from Climate Scientists
Climate Change at the National Academies
US Climate Change Technology Program
The Discovery of Global Warming
Center for Climate and Energy Solutions
US Energy Information Administration
Goddard Institute for Space Studies
National Oceanic and Atmospheric Administration (NOAA)
The University Corporation for Atmospheric Research
Earth System Research Laboratory
Union of Concerned Scientists: Global Warming
Yale Project on Climate Change Communication
Carbon Dioxide Information Analysis Center
Potsdam Institute for Climate Impact Research
Climate Change Knowledge Portal
New York Times: Global Warming & Climate Change
Understanding & Solving the Climate Change Problem
World Meteorological Organization
George Mason University’s Center for Climate Change Communication
International Renewable Energy Agency
International Solar Energy Society
The British Museum of Natural History: Climate Change
North Dakota State Climate Office
Minnesota Climatology Working Group
Centre for Climate Change Economics and Policy
US House Select Committee on Energy Independence and Global Warming
US Environmental Protection Agency: Climate Change
Al Bartlett (1923-21013), Professor Emeritus of Physics
Population Connection: Education and Action for a Better World
Surviving Progress 