NEW YORK — The extent of Arctic sea ice this week shrunk to a new low in the era of satellite record-keeping that began in 1979. The increased expanse of water near the top of the world could have implications for global shipping, wildlife and even international diplomacy.

这周北极海冰的范围内的冰缩减到自1979年卫星观测以来的历史新低]6Rk;7dGJ)0W。世界之巅的冰逐渐减少，水逐渐增多将会影响全球的航运业，野生动物生活环境，甚至各国外交政策d[Ry1*jLSX6Pgee^。