21 May 2014
The amount of carbon lost from tropical forests is being significantly underestimated, a new study reports.
In addition to loss of trees, the degradation of tropical forests by selective logging and fires causes large amounts of "hidden" emissions.
The slow moving process has remained almost invisible to satellite observations in the Amazon.
Researchers say degradation in Brazil causes additional emissions equivalent to 40% of those from deforestation.
The research is due to be published in the journal Global Change Biology.
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