"What we're doing to the chemistry of the oceans could end up being the most significant." http://bit.ly/1bnKbwb There have been five mass extinctions in Earth’s history. Now we’re facing a sixth. trove.com [The Washington Post] There have been five mass extinction events in Earth's history. In the worst one, 250 million years ago , 96 percent of...

"What we're doing to the chemistry of the oceans could end up being the most significant." http://bit.ly/1bnKbwb

There have been five mass extinctions in Earth’s history. Now we’re facing a sixth.

trove.com

[The Washington Post] There have been five mass extinction events in Earth's history. In the worst one, 250 million years ago , 96 percent of...