Change Quote by Graciela Chichilnisky

The consensus is that climate change ranks along with nuclear warfare as the top two risks facing human civilization.

— Graciela Chichilnisky

Climate change is the greatest threat of our time.

— Gina McCarthy

Nuclear weapons remain a costly distraction from the real security threats we face, like climate change.

— Caroline Lucas

Climate change constitutes a serious threat to global security.

— Barack Obama

For my generation, coming of age at the height of the Cold War, fear of nuclear winter seemed the leading existential threat on the…

— Ban Ki-moon

Nuclear is the single greatest threat.

— Donald Trump

Today, we take the risk of nuclear war quite seriously, climate change not so much and epidemics least of all. But no single country,…

— Bill Gates

As far as the nuclear is concerned, I agree. It is the single greatest threat that this country has.

— Donald Trump

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

Environmental scientists also show us clearly that from the environmental and ecological points of view that nuclear war is not preventable. The only way…

— Tadatoshi Akiba

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

Clearly, climate change is an extremely important threat to us.

— Mark Walport