当南极海冰达到夏季最小值时,北极海冰覆盖范围也正接近卫星观测史上最低的冬季水平。今年2月中旬,全球海冰覆盖面积比2010年之前的平均水平减少了约250万平方公里(100万平方英里)。这意味着地球缺失的海冰面积足以覆盖美国密西西比河以东的整个大陆区域。
Go downhill on your bike or jump from a plane. Take Away English talks about the sports for people who love danger ...
Go downhill on your bike or jump from a plane. Take Away English talks about the sports for people who love danger ...