Tom Crowther
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- The Economist11 min
Climate Change: can nature repair the planet?
Tom Crowther, Oliver Morton, Simon Lewis
Recent research from ETH Zurich reveals that while global reforestation could theoretically sequester 200 gigatons of carbon, this process spans over two centuries and requires careful geographic calibration to avoid warming effects in boreal regions. Experts including Professor Tom Crowther warn against media narratives positioning tree planting as a standalone solution, emphasizing instead the urgent need for rapid fossil fuel reductions alongside natural regeneration strategies that outperform commercial plantations. Case studies in Uganda and the UK demonstrate that allowing land to regenerate naturally yields superior carbon storage, reinforcing a scientific consensus that effective climate action demands a holistic mix of approaches rather than a single technological fix.