Nature reviews earth & environment - volume 3 issue 4, april 2022
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MONITORING GLOBAL CARBON EMISSIONS IN 2021 Following record-level declines in 2020, near-real-time data indicate that global CO2 emissions rebounded by 4.8% in 2021, reaching 34.9 GtCO2.
These 2021 emissions consumed 8.7% of the remaining carbon budget for limiting anthropogenic warming to 1.5 °C, which if current trajectories continue, might be used up in 9.5 years at 67%
likelihood. * Zhu Liu * Zhu Deng * Philippe Ciais