Polar bears are being increasingly threatened by the effects of climate change, but their disappearance could have far-reaching consequences. They are uniquely adapted to the extreme conditions of the ...

剑桥雅思16Test1Passage1阅读原文翻译 Why we need to protect polar bears 具体的内容和教育在线平台一起来看看吧 剑桥雅思16 Test1 Passage1阅读原文翻译 第1段 Polar bears are being increasingly threatened by the effects of climate change, but ...

近几年我们经常从新闻上看到饿得皮包骨头的北极熊，因为气候变暖、海冰消融，靠浮冰捕食海豹为生的北极熊长期找不到食物，甚至沦落到去垃圾堆里翻找东西吃。然而更可悲的是，如今科学家的新研究发现，北极熊很可能撑不过这个世纪了。 Climate change is ...

A polar bear's view of the world. 这是一头北极熊眼中的世界。 This remarkable footage was captured with collar cameras that scientists fitted to 20 polar bears during three summer weeks in Arctic Canada.

Researchers from the organisation Polar Bears International say that the population of bears here has declined by about half since the 1980s. Experts have tied that decline to rising temperatures.