北极和亚北极这些高纬度地区是世界上最先经历气候变化的地方，因而引起了人们特别的兴趣。
The arctic and Subarctic are of particular interest because these high latitudes are among the world's first locations to begin experiencing climate change.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
一篇美俄的最新报道称，由于气候的变化，曾经坚固的土地开始破裂，截止到2050年，北极地区和西伯利亚地区的建筑将会受到毁灭性的影响。
Ground that was once solid is crumbling due to climate change, and the impact for buildings across Arctic and Siberian regions will be 'devastating' by 2050, says a new US-Russian report.
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