Guy McPherson: I cant imagine there will be a human on the planet in 10 years Humans are heading for mass extinction. Mankind has less then 10 years left .
Guy McPherson - Human Extinction within 10 years
The Gary Null Show – 01.26.17 How long does humanity have? A look at feedback loops and worse case scenarios for our species Dr. Guy McPherson is a .
Biosphere Collapse Guy R. McPherson is an American scientist, professor emeritus of natural resources and ecology and evolutionary biology at the University .
