In what was described as a watershed moment, more than 2,500 leading environmental experts agreed a statement that called on governments to act before the planet becomes an unrecognisable – and, in places, impossible – place to live. At an emergency climate summit in Copenhagen, scientists agreed that “worst case” scenarios were already becoming reality and that, unless drastic action was taken soon, “dangerous climate change” was imminent.

http://www.telegraph.co.uk/motoring/environment/4982149/Worlds-leading-scientists-in-desperate-plea-to-politicians-to-act-on-climate-change.html