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Amazon and Cerrado deforestation, warming spark record drought in urban Brazil
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Fire, Deforestation Have Flipped the Amazon to Be Emitter of Carbon
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Aerial view of a burning area of Amazon rainforest reserve, south of Novo Progresso in Para state, on August 16, 2020.
Portions of the Amazon rainforest are now releasing more carbon dioxide than they absorb, disrupting an important balancing act that signals a worsening of the climate crisis, according to a new study.
Findings from the nearly decade-long research project, published Wednesday in the journal
Nature, suggest that deforestation and fire, among other factors, have dramatically undercut the Amazon s ability to absorb heat-trapping carbon emissions from the atmosphere.
Researchers who routinely tested the atmosphere at four areas in Amazonia twice a month over a nine-year period found that not only are carbon emissions higher in the eastern areas of the rainforest than in the western areas, but that the southeastern area is putting more carbon dioxide into the atmosphere than it absorbs. The eastern Amazon is a hotspot of deforestation to facilitate logging and agri
Amazon rainforest is emitting more carbon dioxide than it absorbs in some areas, study says
By
Jessie Yeung, CNN
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(CNN) Parts of the Amazon rainforest are now emitting more carbon dioxide than they absorb, raising fears of the potentially devastating impact on its fragile ecosystems and a further worsening of the climate crisis, according to a new study.
The research, published Wednesday in the scientific journal Nature, said the Amazon s vital role as a carbon sink absorbing massive amounts of heat-trapping carbon dioxide from the atmosphere, helping to cool the Earth is under threat. This carbon sink seems to be in decline, the study said. Over the past 40 years, eastern Amazonia has been subjected to more deforestation, warming and moisture stress than the western part, especially during the dry season.
Scientists say parts of the Amazon rainforest are releasing more carbon than they can absorb
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