Monitoring global carbon emissions in 2021
Zhu Liu, Zhu Deng, Steven J. Davis, Clément Giron, Philippe Ciais
Abstract
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.
Topics & Concepts
LimitingEnvironmental scienceGreenhouse gasCarbon fibersGlobal warmingNatural resource economicsClimate changeAtmospheric sciencesEconomicsComputer scienceEngineeringEcologyMechanical engineeringComposite numberGeologyBiologyAlgorithmCOVID-19 impact on air qualityClimate Change and Health ImpactsAir Quality and Health Impacts