Natural forests are key to tackling climate change. But they mustn’t be relied on to offset emissions, says this ecologist

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Natural forests are essential to tackling the climate and biodiversity crises but mass tree-planting must not be used as an excuse to avoid emissions cuts. This is according to a new study co-authored by Professor Tom Crowther, which updates a 2019 study that found restoring the world’s forests could store 200 gigatonnes of CO2.