Change Quote by William J. Clinton

On Earth Day I made a commitment to reduce our emissions of greenhouse gases to 1990 levels by the year 2000. And I asked…

— William J. Clinton

Global warming isn't a prediction. It is happening.

— James Hansen

Scientists have been warning about global warming for decades. It's too late to stop it now, but we can lessen its severity and impacts.

— David Suzuki

...trying to predict whether global warming will moderate the next ice age is not only impossible but irrelevant. It doesn't help us get through…

— John Harte

The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is deepening. We…

— Al Gore

“All this comes under the heading of what the journalist Thomas L. Friedman has called “the really scary stuff we already know.” Much worse…

— Ian Morris

I am afraid that I do not hold with the theory of 'global warming' - there will always be climate change....Big thing here is…

— Kevin Warwick

I'm quite pessimistic about climate change. This is an urgent problem, and much of the world is only now waking up to the easiest…

— Philip Kitcher

According to a new UN report, the global warming outlook is much worse than originally predicted. Which is pretty bad, when they originally predicted…

— Jay Leno

I believe that the problem of global climate change will ultimately spur our global society to respond and while the condition does not appear…

— Vinton Cerf

The only thing that will really change global warming in the long run is if we radically increase the speed with which we get…

— Bjorn Lomborg

The scientific evidence is now overwhelming: climate change presents very serious global risks, and it demands an urgent global response

— Nicholas Stern