The first-of-its-kind analysis found there was a gap of up to 3.2 billion tonnes of carbon dioxide (CO2) between what is planned by countries for removing carbon and what is needed by 2050 to curb dangerous global warming.
Under one scenario for reducing fossil emissions and rapidly expanding renewables, annual carbon removals must still increase by 5.1 billion tonnes from today's levels by 2050, leaving a gap of 3.2 billion tonnes of CO2.
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