JAMES HANSEN wrote:GLOBAL warming isn’t a prediction. It is happening. That is why I was so troubled to read a recent interview with President Obama in Rolling Stone in which he said that Canada would exploit the oil in its vast tar sands reserves “regardless of what we do.” If Canada proceeds, and we do nothing, it will be game over for the climate.
http://www.nytimes.com/2012/05/10/opini ... imate.html