After They're Gone: Extinctions Past, Present and Future

The past, present and future of extinction from a world-leading naturalist.

We are in the midst of an extinction event: the sixth mass extinction on earth and one entirely caused by mankind. All species become extinct sooner or later, but we have accelerated that natural process several hundredfold and now, it is happening right in front of our eyes.

Extinction has a terrifying finality to it. And many species have already been lost to us forever; there is little we can do about that.

What we...