"In my view, climate change is the most severe problem that we are facing today, more serious even than the threat of terrorism."
-Sir David King, England's chief scientific adviser
"When I had my last presentation from government scientists on this I was shocked about how the speed of this is gathering." "Unchecked climate change has the potential to be catastrophic in both human and economic terms." "The problem for a lot of people as individuals, is that it's not that they don't care, they just don't know how to implement environmentally sustainable lifestyles." "They get confused about whether they are really making a difference or not, and is it just a waste of time."
-Prime Minister Tony Blair
"Up until now, you could say we still didn't understand what we were doing when we emitted these gases, that's no longer true. If the trend isn't reversed, there's no court of international opinion that will forgive us. In my more than 30 years in the government, I've never seen such constraints over communications between scientists and the public."
-James Hansen, head of the Goddard Institute for Space Studies
"(I am) very worried about global warming... (I am afraid the Earth) might end up like Venus, at 250 degrees centigrade and raining sulfuric acid."
