American Environics
The Carbon Mitigation Initiative
Center for Environmental Policy at Bard College
Center for International Climate and Environmental Research at the University of Oslo
Center for Research on Environmental Decisions
Decision Research Incorporated
European Commission Energy Home Page
The Intergovernmental Panel on Climate Change
The International Human Dimensions Programme on Global Environmental Change
International Institute for Environment and Development
International Research Institute for Climate and Society
The Pew Center on Global Climate Change
The Potsdam Institute for Climate Impact Research
The Program on the Ethical Dimensions of Climate Change
RealClimate
The Regional Greenhouse Gas Initiative