Paul R. Ehrlich is a renowned ecologist, an Emeritus Professor of Population Studies at Stanford, and an outspoken, self-proclaimed “loudmouth” and polymath with strong opinions about topics ranging ...

Malthus and Ehrlich transparently did not understand that increasing per capita incomes reduces population growth rates. Nor, perhaps especially in Ehrlich’s case, did they comprehend the capacity of ...

The genetic factor in population ecology / L.C. Birch -- Experimental studies on natural selection in the butterfly, Maniola jurtina / W.H. Dowdeswell -- Larval color pattern in Papilio demodocus / ...

The recipients of numerous other awards, the Ehrlichs are members of a growing fraternity: scientists who receive awards endowed by individuals or families. These awards are increasing in number, and ...

The legacy -- Natural extinctions -- The Anthropocene -- Long-silenced songs -- Birds in trouble -- Mammals lost -- Vanishing mammals -- Why it all matters -- Drivers of death -- Beyond mourning -- ...