From the Stone Age to the stars

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A polar bear hangs in a black net from a chain hoist and scale under a metal tripod, on flat, snow-covered ice. A cloth covers its eyes and muzzle, and one paw sticks up. A person in winter clothing and sunglasses works the chain, a second stands by, and a helicopter is parked on the ice behind them.
Photo: USFWSAlaska, 2017, via Wikimedia Commons. Public domain.

The Polar Bears Nobody Counted

There are probably more polar bears alive today than in the 1960s. But the 1960s figure was a guess, any rise came from curbs on hunting rather than from the climate, and for nearly half the world's subpopulations there is no usable trend at all.

The polar bear has a public relations problem in both directions. For two decades it has been the face of the melting Arctic, thin and stranded on a shrinking floe. For almost as long there has been a counter-claim: polar bear numbers have …

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