Paul R. Ehrlich Quote

Overdrafts on aquifers are one reason some of our geologist colleagues are convinced that water shortages will bring the human population explosion to a halt. There are substitutes for oil; there is no substitute for fresh water.


The Population Explosion (1990)


Overdrafts on aquifers are one reason some of our geologist colleagues are convinced that water shortages will bring the human population explosion...

Overdrafts on aquifers are one reason some of our geologist colleagues are convinced that water shortages will bring the human population explosion...

Overdrafts on aquifers are one reason some of our geologist colleagues are convinced that water shortages will bring the human population explosion...

Overdrafts on aquifers are one reason some of our geologist colleagues are convinced that water shortages will bring the human population explosion...