BBC: The most dense store of carbon in Amazonia is not above ground in trees but below ground in peatlands, a study has calculated.
An international team of researchers said their work, which uses satellite data and field measurements, provides the "most accurate estimates to date".
Protecting these landscapes is vital if efforts to curb climate change are to be successful, they added.
The findings appear in the journal Environmental Research Letters.
Writing in the paper, the scientists observed:...