Study: Rainforest is toast if warming hurts CO2 uptake

“About 50 billion tonnes of carbon would be released for each degree Celsius of warming in the tropics.”

Lead author Professor Peter Cox of the University of Exeter explained: “We have been struggling for more than a decade to answer the question ‘will the Amazon forest die back under climate change?’ Our study indicates that the risk is low if climate change is associated with increased plant growth under elevated carbon dioxide. But if this effect declines, or climate warming occurs due to something other than a carbon dioxide increase, we expect to see a significant release of carbon from tropical ecosystems”.


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