Ahead Quote by Carol Ann Duffy

We think of - there are too many wars, of course, in the world as we speak, but my read on this suggests to…

— Tavis Smiley

This whole climate change and what it's doing to our environment is frightening to people.

— Bill Pullman

Climate change is the greatest threat of our time.

— Gina McCarthy

To me the question of the environment is more ominous than that of peace and war...I'm more worried about global warming than I am…

— Hans Blix

I believe water will be the defining crisis of our century — from droughts, storms, and floods to degrading water quality. We'll see major…

— Alexandra Cousteau

When climate goes away as an apocalyptic concern, something else will emerge. No doubt about it.

— Michael Shellenberger

I was and am an ardent environmentalist and I am terrified of the instability that climate change will bring.

— Hank Green

Our fears are an amazing gift of the imagination ... a way of glimpsing what might be the future when there's still time to…

— Karen Thompson Walker

I'm not as convinced as a lot of people are that man-made climate change is the threat they think it is.

— Chris Stewart

What I worry about is climate change, because that would have untold effects that we can't even measure yet.

— Susan George

Climate change isnʼt a distant threat. Itʼs already changing the way we live.

— Jeff Orlowski

Climate change is the greatest threat to our common future. We have a very short period of time to tackle the problem before it…

— Chris Huhne