This week, scientists from the University of California, Berkeley, announced that if current extinction rates continue unabated, and vulnerable species disappear, Earth could lose three-quarters of its species as soon as three centuries from now.
"That's a geological eyeblink," said Nicholas Matzke, a graduate student at UC Berkeley and author of a paper describing the doom-and-gloom scenario.
"Once you lose species, you don't get them back. It takes millions of years to rebound from a mass extinction event."
READ MORE: The Age (Australia)