Huge ice island breaks from Greenland glacier

An ice island four times the size of Manhattan has broken off from one of Greenland's two main glaciers in the biggest such event...

Better world: Move to the city

If it's your carbon footprint you're worried about, though, you'd be better off cultivating an urban idyll...

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Climate trouble may be bubbling up in Arctic

Pure methane, gas bubbling up from underwater vents, escaping into northern skies, adds to the global-warming gases accumulating in the atmosphere...