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A new study finds that more than 1,000 lakes in the Arctic region of Siberia have disappeared or shrunk dramatically over the past 30 years. The region has been getting markedly warmer and human activities are thought to be partly responsible. This radio broadcast reports on a study comparing Earth-observing satellite images over time, which show the Siberian lakes disappearing. The study concludes that as global warming causes the Arctic permafrost to thin, water from the Siberian lakes drains into the ground and vanishes. The clip is 3 minutes and 52 seconds in length.
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