Global warming, deforestation, fires combined could hasten Amazon demise, study finds

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About 18% of the Amazon rainforest has been destroyed, according to climate scientist Carlos Nobre..

Drought and heat driven by climate change and other factors threaten to cause the collapse of South Americas lush Amazon rainforest system, scientists said on Wednesday in a study that found that nearly half of it could be pushed to a tipping point by 2050...

The region is increasingly exposed to unprecedented stress from warming temperatures, extreme droughts, deforestation and fires, even in central and remote parts of the system, the researchers wrote in the study published in the journal Nature...

With warming temperatures sapping the region of moisture, the rainforest is steadily turning into savannah or other forms of degraded ecosystems more likely to burn in wildfires, according to experts..

The new research shows how close the Amazon forest is to a tipping point, said climate scientist Carlos Nobre of Brazils University of Sao Paulo, who was not part of the study..

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