Change Quote by Saikat Chakrabarti

Climate change is an existential threat to the health, national security, economic prosperity, and future of the American people and our planet. Our habitat…

— Dean Phillips

At first when I heard about climate change, I was a climate denier. I didn't think it was happening. Because if there really was…

— Greta Thunburg

Climate change is an existential threat to our economy, and ultimately to civilisation as we know it.

— Clive Lewis

Climate change is the greatest threat to humanity, perhaps ever. Global temperatures are rising at an unprecedented rate, causing drought and forest fires and…

— Cary Kennedy

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

Around the world, climate change is an existential threat - but if we harness the opportunities inherent in addressing climate change, we can reap…

— Ban Ki-moon

Climate change poses an existential threat to the planet that is no less dire than that posed by North Korea's nuclear ambitions.

— Joseph Stiglitz

We have to face the reality of climate change. It is arguably the biggest threat we are facing today.

— William Hague

Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

— Bill McKibben

Climate change is the greatest threat to our existence in our short history on this planet. Nobody's going to buy their way out of…

— Mark Ruffalo

For years, I referred to climate change as an 'existential' threat to human civilization, and called it a 'crisis.'

— Michael Shellenberger

We unfortunately already live on a planet where the climate has changed and will continue to change no matter what we do now. We're…

— Alex Steffen