Telegraph: The group of Nobel winners, together with Prince Charles, issued a memorandum which declared the best chance of stopping catastrophic climate change is to keep the predicted temperature rise at or below 2 degrees C (3.6 degrees F). Without action, they envisaged three times that temperature rise, which would mean global warming would cause a huge rise in sea levels, and swamp the cities of London, Paris and Copenhagen. The communique is likely to influence world leaders at the …