How Humans Can Try To Prevent Sixth Mass Extinction
Scientists are warning the planet is in the early stages of a mass extinction, but they say there is something humans can do to prevent it.By Kate Grumke | June 20, 2015
Scientists have a dire warning for us; that we are in the beginning stages of a mass extinction that could threaten humanity's existence. (Video via NASA)
"We are now entering another one of these events that could easily, easily, ruin the lives of everybody on the planet," said Stanford professor Paul Ehrlic.
Before, some scientists had challenged theories that extinction was happening at a rate that hasn't been seen for millions of years, saying researchers overestimated the crisis.