Humanity may already be living far beyond what Earth can sustainably support, according to a sweeping new study analyzing more than 200 years of population and environmental data. Researchers found ...

Sanghnomics: Prime Minister Narendra Modi’s call for austerity revives debate on sustainable growth as thinkers and ...

Paul Ehrlich's death last month is a reminder of how careless extrapolations from one field of knowledge to another can still pass for “science” with devastating consequences. Ehrlich, an entomologist ...

If during his last days American biologist Paul Ehrlich had followed events in Singapore, he would have heard something remarkable. Fertility fell to a record low last year, confounding efforts to ...

The death of famed biologist Paul Ehrlich on March 13 at 93 has occasioned a flurry of commentary in the press and on social media, some of it thoughtful, some of it scurrilous, and most of it ...

Ehrlich warned that overpopulation would trigger famine, conflict and nuclear war in the 1970s—ideas that continue to echo in debates today. Read from CU expert Brian Keegan and UC Davis colleague ...

Sen. Rand Paul (R-Ky.) indicated he is considering a presidential run in 2028 in a new interview clip released on Friday morning. “We’re thinking about it, and I would say 50-50,” the GOP lawmaker ...

Paul Ehrlich opened his 1968 book “The Population Bomb” with a scene recounting returning to his hotel through a crowded Delhi neighborhood on a stifling night in the mid-1960s. He described the ...