Animal Quote by James Hansen

For millions of years, on average, one species became extinct every century.... We are now heaving more than a thousand different species of animals…

— Douglas Adams

Climate change, habitat destruction, extinctions - the Earth has seen it all before, thousands of years ago. And humans may have been partly to…

— Tatiana Schlossberg

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

When the first humans reached Australia about 45,000 years ago, they quickly drove to extinction 90% of its large animals. This was the first…

— Yuval Noah Harari

The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the…

— E. O. Wilson

Nature stopped being natural decades ago.

— Jamais Cascio

Many scientists would argue that we are now in what is called Extinction, and it's caused by this perfect extinction storm: climate change, habitat…

— Jeff Corwin

The Earth is warming but physical evidence from around the world tells us that human-emitted carbon dioxide has played only a minor role in…

— Fred Singer

Global warming threatens the survival of our species.

— Lucien Bouchard

For the last 16 years, temperatures have been going down and the carbon dioxide has been going up and the crops have got greener…

— David Bellamy

I think that climatic changes have a natural causes according many geological data... I am very glad to sign the U.S. Senate's report of…

— Uberto Crescenti

“The End of Nature was the first book for a general audience about global warming; it came out in 1989 and soon appeared in…

— Bill McKibben