Science
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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