Nature Quote by Elizabeth Kolbert

The most difficult challenge that Governments have faced since the dinosaurs roamed the earth.

— David Chaytor

“In science's pecking order, evolutionary biology lurks somewhere near the bottom, far closer to phrenology than to physics. For evolutionary biology is a historical…

— Jerry A. Coyne

Climate change is the Everest of all problems, the thorniest challenge facing humankind.

— Anonymous

Solving the climate crisis is the greatest and most complex challenge that homo sapiens have ever faced. The main solution, however, is so simple…

— Greta Thunburg

I do not underestimate the difficulty of the challenge that global climate change presents to us. It will take a significant effort and the…

— Federico Pena

Our overriding environmental challenge tonight is the worldwide problem of climate change, global warming, the gathering crisis that requires worldwide action.

— William J. Clinton

We are living in the beginning of a mass extinction and our climate is breaking down.

— Greta Thunburg

We can't just drill our way out of the energy and climate challenge that we face.

— Barack Obama

“at 378 parts per million, current CO2 levels are unprecedented in recent geological history. (The previous high, of 299 parts per million, was reached…

— Elizabeth Kolbert

We know little of the consequences of the geoengineering process, such as spraying particles into the atmosphere that shade the planet from the sun's…

— Graciela Chichilnisky

“That Mesozoic mama's boy wouldn't have lasted five seconds in the Cretaceous period.”

— Gordon Korman

Global warming, along with the cutting and burning of forests and other critical habitats, is causing the loss of living species at a level…

— Al Gore