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Polar Bears Face a New Threat to Their Life in Svalbard: Climate Change ️‍️ Smithsonian Channel

3,388 观看· 12/09/23
Smithsonian Channel
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Between 1870 and 1973, the entire polar bear population of Svalbard was almost eradicated through hunting—almost 30,000 were killed. Today, polar bear numbers are climbing, but they face...

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