Paul R. Ehrlich Author

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

Add Yahoo as a preferred source to see more of our stories on Google. Biologist Paul R. Ehrlich in 2010. Paul R. Ehrlich/Wikipedia, CC BY Stanford University biologist Paul Ehrlich, who died March 13, ...

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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

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