Elizabeth Kolbert
As a Guest
2 segments
In The World's 'Sixth Extinction,' Are Humans The Asteroid?
Scientists think an asteroid killed the dinosaurs. In today's extinction, humans are the culprit. Originally broadcast Feb. 12, 2014.
In The World's 'Sixth Extinction,' Are Humans The Asteroid?
Scientists think an asteroid killed the dinosaurs. In today's extinction, humans are the culprit.