Change Quote by Graciela Chichilnisky

If nuclear warfare is believed to be somewhat controlled, then climate change is now the greatest threat.

— Graciela Chichilnisky

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

The spread of nuclear weapons is the greatest threat facing the country-and I would argue facing humanity.

— Joe Biden

Nuclear is the single greatest threat.

— Donald Trump

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

By far the single greatest danger facing humankind - in fact, all living beings on our planet - is the threat of nuclear destruction.

— Dalai Lama

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

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

Much as Cold War nuclear strategists could argue about winning a nuclear war by having more survivors, advocates of a Global Warming War might…

— Jamais Cascio

Climate change is the greatest threat to human rights in the 21st century.

— Mary Robinson