arctic permafrost thawing

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Arctic permafrost thawing
NPS Climate Change Respo/Flickr/Commercial use & mods allowed

A toxic time bomb is ticking in the Arctic

Thousands of contaminated sites are sitting on permafrost that'll soon thaw, a looming disaster that could spread beyond the region.
Failure to slow warming will set off climate 'tipping points,'' scientists say

Failure to slow warming will set off climate 'tipping points,'' scientists say

As global warming passes certain limits, dire changes will probably become irreversible, the researchers said, including the loss of polar ice sheets and the death of coral reefs.
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