Avoiding ecosystem collapse

From coral reefs to prairie grasslands, some of the world's most iconic habitats are susceptible to sudden collapse due to seemingly minor events. A classic example: the decimation of kelp forests when a decline of otter ...

US study warns of sudden climate change woes

Hard-to-predict sudden changes to Earth's environment are more worrisome than climate change's bigger but more gradual impacts, a panel of scientists advising the U.S. government concluded Tuesday.

Megaupload founder joked about his 'hacker' past

(AP) -- Two years ago, Megaupload founder Kim Dotcom joked in emails with his new neighbors in New Zealand about his bad-boy reputation before telling them his criminal past was behind him and he was coming to the country ...

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