Vast emissions of carbon dioxide and methane from warming permafrost, not accounted for in climate pre

ScienceDaily: Permafrost covering almost a quarter of the northern hemisphere contains 1,700 gigatonnes of carbon, twice that currently in the atmosphere, and could significantly amplify global warming should thawing accelerate as expected, according to a new report released November 27 by the UN Environment Programme (UNEP). Warming permafrost can also radically change ecosystems and cause costly infrastructural damage due to increasingly unstable ground, the report says. Policy Implications of Warming Permafrost......

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