US Government
- United States Global Change Research Program
- US Climate Change Technology Program
- US Environmental Protection Agency
- National Oceanic and Atmospheric Administration
- National Atmospheric and Space Administration
- US Department of Energy
- House Select Committee on Energy Independence and Global Warming
- Office of Science and Technology Policy
- Council on Environmental Quality
Climate assessments
- Intergovernmental Panel on Climate Change
- Arctic Climate Impact Assessment
- America's Climate Choices (US National Academy of Sciences)
- NOAA climate assessments
- State of the Climate Report
- USGCRP scientific assessments
- National Climate Assessment
- Global Climate Change Impacts in the United States
Scientific organizations/research institutions
- American Meteorological Society
- American Association for the Advancement of Science
- American Geophysical Union
- Columbia Earth Institute
- National Center for Atmospheric Research
- Pacific Institute
- Pew Center on Global Climate Change
NGOs/non-profits
- World Wildlife Fund
- Union of Concerned Scientists
- Public Employees for Environmental Responsibility
- Greenpeace
- 350.org
- The Climate Institute
- The Alliance for Climate Protection
Media/climate change communication
- Climate Central
- Yale Environment 360
- The Climate Desk
- George Mason Center for Climate Change Communication
- Yale Forum on Climate Change & the Media
- Climate Denial Crock of the Week
Climate scientists
Blogs
