Last Updated: Wednesday, December 4, 2013, 22:10
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 US government concluded.
Last Updated: Wednesday, December 4, 2013, 22:07
With climate change impacting human infrastructure and ecosystems, scientists are stressing on early warning systems to prepare for sudden changes.
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