Mammoth Arctic carbon thaw would cost us $43 trillion

The Ecologist
Sep 23, 2015, 1:16 pm38 pts
Something scary is lurking in the melting Arctic permafrost, write Tim Radford & Oliver Tickell: 1,700 Gt of carbon. That's 53 years worth of current emissions, and if we let it melt the impact would cost the world $43 tn. Or act now, and we could preserve the Arctic ice for a seventh as much.

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