February 12, 2012
Penguin Populations Put Long-Term Perspective on Shifts in Climate
Chronicle photo by Paul Basken
Ross Island, Antarctica
Thousands of miles from the battles over climate change—from politicians' charges and countercharges, from legal disputes, from multimillion-dollar corporate-ad campaigns—David G. Ainley counts penguins.
Why? It's not because they're cute—although recent films like the animated Happy Feet series have made clear the power of the little waddlers to grab public attention. No, Mr. Ainley is here counting flightless birds because researchers have a 50-year record
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