A Warming Effect Photos
Dr. Kristof Krajewski is the research chief at the Arctowski Polish Research Station, which hosted 60 Minutes in Antarctica. Dr. Krajewski and his team recently discovered a fossilized moraine, which, at 80 million years old, is the oldest ever discovered in Antarctica. They were able to find the moraine because warming had melted the ice that had been covering it.
(Photo: CBS/Solly Granatstein)
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