Tropical forests can stop acting as carbon sinks during El Niño, says research

By Amy Bennett, Research Fellow in the School of Geography, University of Leeds

Tropical forests draw down and store large quantities of CO₂ from the atmosphere. The Amazon rainforest in South America, for example, stores approximately 123 billion tonnes of carbon – more than is stored in any other terrestrial ecosystem in the world. But these forests are facing a critical challenge.

Research from 2023, which was carried out by me and more than 100 colleagues, found that tropical forests in South America…

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