The countries of the world have dragged their feet so long on global warming that only an intensive push in the next 15 years can stave off potentially disastrous climatic changes, experts appointed by the United Nations reported Sunday.
http://www.nytimes.com/2014/04/14/s...tion-is-needed-to-avert-disaster.html?hp&_r=0
http://www.nytimes.com/2014/04/14/s...tion-is-needed-to-avert-disaster.html?hp&_r=0