According to a study in Nature Climate Change, the number of most polar bears will fall rapidly by 2080.

据《自然气候变化》的一项研究显示，到2080年，几乎大多数北极熊的数量都将急剧减少。

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Scientists say that barrier may soon fall, as global climate change continues to impact wildlife at the polar regions.

科学家称随着全球气候变化继续影响极地区域的野生动物，这一屏障可能很快就会消失。

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But when it comes to convincing people of the need for action on climate change, the threat to the polar bear doesn't come close to representing the urgency of the situation.

但是要想让人们意识到必须对气候变化采取行动，北极熊受到的威胁并不能进一步的表现形势的紧迫性。

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Before the research papers of the IPY's scientists are published, for those living on the southern polar cap, climate change is already palpable.

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Lim admits that the recent loss of both the Mars Polar Lander and Mars Climate Orbiter may have affected favourable public opinion, which is what the project needs most if the dream of seeing astronauts on the Red Planet is ever to be realised.

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"We will continue to work with our partners to reduce the pressure that trade in polar bear parts puts on this iconic arctic species, even as we take on the longer term threat that climate change poses to polar bears, " he said.

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