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Paul Ehrlich, often called alarmist for dire warnings about human harms to the Earth, believed scientists had a responsibility to speak out

  • Written by William J. (Bill) Kovarik, Professor of Communication, Radford University
Paul Ehrlich, often called alarmist for dire warnings about human harms to the Earth, believed scientists had a responsibility to speak outBiologist Paul R. Ehrlich in 2010.Paul R. Ehrlich/Wikipedia, CC BY

Stanford University biologist Paul Ehrlich, who died March 15, 2026, in Palo Alto, California, was a scientific crusader whose dire predictions about population growth, world hunger and environmental collapse made headlines and sparked controversy for decades.

Sometimes called a...

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