Extinctions : Polar bears in Alaska

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Uploaded by on Jun 18, 2010

Tom Smith is a wildlife ecologist, and teaches wildlife biodiversity in university.
He tells us about the polar bear situation in Alaska. Both global warming and human population put polar bears under a great pressure. While their habitat is melting on the shore, it is always explored deeper for human industries.
Consequences are disastrous for the species, whose weight plummeted these last decades. Behaviors we had never seen before also start appearing...

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Pets & Animals

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Standard YouTube License

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  • Hello, i would like to know something more about Alaska it looks like a wonderful place so i would like to get in touch with some people who have lived or still live in Alaska also if you know a lot about Alaska i would like to get in touch so please send a message to my youtube account. thanks.

  • This is one of my professors and probably one of my favorite people ever. Very intelligent and fun to talk to.

  • <3 polar bears

  • Peut-être que des vidéos de ce genre pourront persuader les gens de réduire leur impact sur le réchauffement climatique...

    J'ai hâte de voir le documentaire sur France 5 vendredi de la semaine prochaine!

    J'ai beaucoup aimé les précédents!

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