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Paleontologists recognize six previous mass-extinction events during the past half-billion years (the number was until recently believed to be five, but now another, from early Cambrian times, has been added). The last and most famous, which occurred 65 million years ago and was caused by a giant meteorite...

Author: /time Magazine | Title: Vanishing Before Our Eyes | 4/26/2000 | See Source »

Researchers of biodiversity agree that we are in the midst of the seventh mass extinction. Even if the current rate of habitat destruction were to continue in forests and coral reefs alone, half the species of plants and animals would be gone by the end of the 21st century. Our...

Author: /time Magazine | Title: Vanishing Before Our Eyes | 4/26/2000 | See Source »

That was true not just for Africa. The fossil record tells the same story everywhere. Most of life's experiments have ended in extinction. It is estimated that more than 95% of the species that have existed over the past 600 million years are gone.

Author: /time Magazine | Title: Extinctions Past And Present | 4/26/2000 | See Source »

So, should we be concerned about the current spasm of extinction, which has been accelerated by the inexorable expansion of agriculture and industry? Is it necessary to try to slow down a process that has been going on forever?

Author: /time Magazine | Title: Extinctions Past And Present | 4/26/2000 | See Source »

But dealing with the extinction crisis is no simple matter, since much of the world's biodiversity resides in its poorest nations, especially in Asia, Africa and Latin America. Can such countries justify setting aside national parks and nature reserves where human encroachment and even access is forbidden? Is it...

Author: /time Magazine | Title: Extinctions Past And Present | 4/26/2000 | See Source »

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