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Large parts of the Amazon’s iconic rainforest are nearing an irreversible "tipping point" and collapse in less than 30 years due to deforestation and climate change, scientists warn in aIt's a grim vision of "compounding disturbances": that nearly half the Amazon could by 2050 transform into either scrubby savannah fields, forest with low tree cover and open canopy, or a degraded forest that has "recovered" from environmental disturbances but is filled with...
"To maintain the Amazon forest within safe boundaries, local and global efforts must be combined," said coauthor Niklas Boers, a professor of Earth System Modelling at the Technical University of Munich, in a. "Deforestation and forest degradation have to end and restoration has to expand. Moreover, much more needs to be done to stop greenhouse-gas emissions worldwide.
These drastic changes in the vast biome of the Amazon forest would impact not just regional climate patterns but also global feedback loops. For example, the Amazon is an important carbon sink for the planet, holding hundreds of billions of tons of carbon. The Amazon’s moisture also impacts rainfall in large parts of South America, making any collapse a catastrophe for not just the forest but large parts of humanity.
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