Forget gases, carbon in deeper soil threatening our climate

May 27, 2014 11:30 AM

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"There is a lot of carbon at depths where nobody is measuring," said Erika Marin-Spiotta, assistant professor of geography at University of Wisconsin-Madison in the US.

It was assumed that there was little carbon in deeper soils and so most studies so far focused only the top 30 centimetres.

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