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Mumbai: Around two-thirds of the Amazon rainforest could shift into degraded forest or savannah-like ecosystems at 1.5-1.9°C of global warming if deforestation increases to roughly 22-28 percent of the Amazon, according to a new study from the Potsdam Institute for Climate Impact Research (PIK) published in Nature.
Without additional deforestation, by contrast, such large-scale changes would likely occur only at much higher warming levels of around 3.7–4°C.
The Amazon rainforest is also called the “lungs of the world” for the amount of oxygen its trees produce, and the huge forest drives rainfall patterns across much of South America.
Deforestation weakens the forest’s capacity to generate rainfall, drying out the loc...
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