EarthCrazy weather traced to Arctic's impact on jet stream Evidence is mounting that melting of Arctic ice is weakening the jet stream, causing weeks of cold, hot or stormy weather in the northern hemisphere ¿ìè¶ÌÊÓÆµ
EarthWorld on track for worst-case warming scenario As world leaders prepare to talk tough on climate change in New York City, the stark lack of progress made so far in tackling the problem is revealed ¿ìè¶ÌÊÓÆµ