All Formats & Editions

Evidence has been accumulating for the past several decades that mankind will likely be threatened by its own existence sometime in the next 50-100 years.

By the end of the 21st century, population and economic growth will cause depletion of many essential... Read Full Overview

Evidence has been accumulating for the past several decades that mankind will likely be threatened by its own existence sometime in the next 50-100 years.

By the end of the 21st century, population and economic growth will cause depletion of many essential... Read Full Overview