Ethics and Extinction

Your cover exclaims, "Vanishing Act: How Climate Change Is Causing a New Age of Extinction," but the article does not — and cannot — say that [April 13]. Climate change is mentioned only in passing, and the major causes of extinction are clearly shown to be deforestation and encroachment on habitat. The pictures in "10 Species on the Brink" show nine truly endangered species, then throw in the polar bear, which is 10 times as numerous as any other animal depicted, to try to make the climate-change link. An otherwise fine issue on extinction is thus marred by a gratuitous climate-change...