Clear Quote by Elizabeth Kolbert

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

Global warming is a scientific fact as much as the hole in the ozone layer or Earth's orbit around the sun.

— Johan Rockstrom

The science is crystal clear: we humans are the primary cause of global warming, and we face a bleak future if we fail to…

— Joseph J. Romm

We can't say that we have Global Warming these days, but it is a Global Warning to us people, to take responsible with our…

— Rona Mae Batas

Global warming threatens our health, our economy, our natural resources, and our children's future. It is clear we must act.

— Eliot Spitzer

Several indisputable facts appear evident in geological and climate science that make me a true 'denier' of human-caused global warming.

— Harrison Schmitt

I don't like the term 'global warming,' because it's misleading. It implies something that's mainly about temperature, that's gradual, and that's uniform across the…

— John Holdren

President Bush said global warming is happening much quicker than he thought, and then his staff pulled him aside and said 'It's just springtime.'

— Jay Leno

I happen to believe that one of the great crises facing the planet is climate change. Donald Trump happens not to think that climate…

— Bernie Sanders

Global warming is something that happens to all of us, all at once.

— Larry Brilliant

Donald Trump believes that climate change is a hoax. Now, this is not just a stupid expression, but it is incredibly dangerous.

— Bernie Sanders

Our planet is warming dangerously.

— Jose Angel Gurria