The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for the assessment of climate change. It was established by the United Nations Environment Programme (UNEP) and the World Meteorological Organization (WMO)
'Twilight's' Quileute Tribe Fights to Regain Land While Quileute members have somewhat mixed reactions to their tribe's role in the hit series, they're often quick to acknowledge that stardom has helped galvanize their cause. photo by Saskia de Melker
Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A with TED Curator Chris Anderson)
President Barack Obama described climate change as a "creeping national security crisis" that will require the armed forces to "respond to refugee flows, natural disasters, and conflicts over water and food."