Annalee Newitz quoteAnnalee Newitz [1969-0]
American Journalist 
Quote rank: 111
| There is evidence that we are headed into what would be the planet's sixth mass extinction. It's hard to know for sure if you're in one because a mass extinction is an event where over 75 percent of the species on the planet die out over a - usually about a million-year period. The fastest it might happen is in hundreds of thousands of years. |
SourceThe script ran 0 seconds.
