Environment

The Earth's 'Sixth Extinction' May Be One Of Our Own Making

There have been five major mass extinctions over the last half-billion years, when the diversity of life on Earth suddenly and dramatically contracted. Scientists are currently monitoring an era of mass extinction predicted to be the most devastating since the asteroid impact that wiped out the dinosaurs. But this time around, says Elizabeth Kolbert, author of The Sixth Extinction, it's humans that are causing it.

Taking Stock Of The Northern Plains Oil Boom

Beginning next week, NPR News will be taking an in-depth look at the unprecedented oil drilling boom happening on the Northern Plains, where the state of North Dakota has fast become one of the nation's most productive drilling regions. NPR's Kelly McEvers talks with NPR reporter Kirk Siegler, back from a recent reporting trip in North Dakota for the series.