a climate change, global warming and renewable energy portal and search engine dedicated to promoting public policy that addresses global climate change through reductions in carbon dioxide and other emissions, renewable energy, energy conservation and ending deforestation

provides scientific, technical and socio-economic advice to the world community through its periodic assessment reports on the state of knowledge of causes of climate change

a commentary site on climate science by working climate scientists for the interested public and journalists, providing quick responses to developing stories

provides an integrated view of climate change as the final part of the IPCC Fourth Assessment Report (2007), summarizing thousands of pages of scientific reports into a readable 26 page synopsis of the current scientific consensus regarding climate change (pdf)

the UNFCCC secretariat administers the climate change Convention, and their site provides a one-stop source of news, data, information and policy documents on international climate change policymaking

seeks to halt changes to the Earth's climate caused by human activity; by engaging the private sector, developing country partnerships and means to finance sustainable development and climate treaty implementation

United Nations Framework on Climate Change meeting in Milan, Italy in December of 2003