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Warmer weather will most likely make it impossible for polar

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Warmer weather will most likely make it impossible for polar bears to survive on the shoes of Hudson's Bay,Canada,in 20to 30years.So says the worlds 'best _known polar expert,lan Stirling,Who has studied polar bears as a biologists for 41years_longer than anyone else in the field.
The loss of Arctic ice is the main thret to Canada 's southern _most polar bear populations.An estimated 1,600 bears live in the region,according to satellite images.Stirling said,"that's faster than most scientific models 翻译
温暖的天气将很可能使它不可能为北极熊在哈德逊湾,加拿大鞋生存,20到30年.所以说,世界上最好的_known极地专家,斯特灵,谁研究了北极熊作为一个生物学家41years_longer比在现场的任何人.北极海冰的消失是加拿大南部的_most北极熊种群的主要thret.估计1600熊生活在该地区,根据卫星图像.斯特灵说,";那是比最科学的更快