Change Quote by Mikhail Gorbachev

If we lose half the species, which could happen by the end of the century if we don't do anything, that's going to create…

— E. O. Wilson

One animal or plant species may become extinct every hour. All species are doomed to extinction, but man through worldwide development/killing animals for food/profit/using…

— Erik P. Eckholm

By 2050, at bio-extinction's current rate, between 25 per cent and 50 per cent of all species will have disappeared or be too few…

— Stuart L. Pimm

We'll all die out eventually. Humans will be gone. And all I'm saying is, when people worry about polar bears disappearing or whatever, it's…

— Karl Pilkington

We'll lose more species of plants and animals between 2000 and 2065 than we've lost in the last 65 million years. If we don't…

— Paul Watson

When biological technology becomes further advanced, human beings as we know them, will become a modified species. If we as human beings fail to…

— Jacque Fresco

“Long after the traces of the human animal have disappeared, many of the species it is bent on destroying will still be around, along…

— John Gray

If enough species are extinguished, will the ecosystems collapse, and will the extinction of most other species follow soon afterward? The only answer anyone…

— E. O. Wilson

We are in grave danger of losing forever not just millions of years of evolution on earth, but the eons of change that have…

— Charles Lindbergh

Unless man can make new and original adaptations to his environment as rapidly as his science can change the environment, our culture will perish.

— Carl Rogers

Humans will eventually become extinct. People treat that as a radical thing to say. But the fossil record shows us that everything eventually becomes…

— Elizabeth Kolbert

The environment will continue to deteriorate until pollution practices are abandoned.

— B. F. Skinner