Overfishing: Oceans Are Dying
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| More polar bear cubs drowning due to sea ice loss |
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| Tuesday, 19 July 2011 05:59 | |||
Biologists studying polar bears off the coast of Alaska have found that when cubs are forced to go on marathon swims with their mothers due to loss of sea ice, nearly half of them don't survive the journey. The study, scheduled to be announced at the International Bear Association Conference in Ottawa on Tuesday, confirms the dangers of ice loss to Alaska's polar bear population...
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Biologists studying polar bears off the coast of Alaska have found that when cubs are forced to go on marathon swims with their mothers due to loss of sea ice, nearly half of them don't survive the journey. The study, scheduled to be announced at the International Bear Association Conference in Ottawa on Tuesday, confirms the dangers of ice loss to Alaska's polar bear population...




























