The UN is confident in global warming
Additional heating of the earth's surface, due to the presence of brown clouds. Image from Physorg.com Representatives of the UN, responsible for negotiations on climate changes, insist that the concept of global warming, which they adhere to, does not need a serious revision, writes BBC News. Rajendra Pachauuri, the head of the intergovernmental group of climate experts at the UN (IPCC), assures that the dominant scientific ideas about global warming are confirmed by a lot of facts.