Homo sapiens is poised to become the greatest catastrophic agent since a giant asteroid collided with the Earth sixty-five million years ago wiping out half the world's species in a geological instant.


The Sixth Extinction, Chapter 13 (p. 241), Anchor Books. 1996

Richard Leakey Quotes

Homo sapiens is poised to become the greatest catastrophic agent since a giant asteroid collided with the Earth sixty-five million years ago wiping...

Homo sapiens is poised to become the greatest catastrophic agent since a giant asteroid collided with the Earth sixty-five million years ago wiping...

Homo sapiens is poised to become the greatest catastrophic agent since a giant asteroid collided with the Earth sixty-five million years ago wiping...

Homo sapiens is poised to become the greatest catastrophic agent since a giant asteroid collided with the Earth sixty-five million years ago wiping...