
北极在变暖,政策需改变
北极正以两倍于世界其他地方的速度变暖,对于美国的政策制定者来说,极地地区的这一变化为他们带来了挑战,也带来了机遇。黛博拉•威廉姆斯从阿拉斯加报道。
Policies of change: adapting to a warming Arctic
The Arctic has warmed at twice the rate of the rest of the world, and the polar region now presents both challenges and opportunities for policy-makers in the US. Deborah Williams reports from Alaska.