Change in CO2 emissions worldwide 2019-2021, by fuel type
global CO2 emissions. Despite this massive drop, emissions rebounded in 2021, with coal emissions increasing by 0.75 GtCO2.
In 2020, the COVID-19 pandemic caused significant emissions reductions worldwide. Global CO2 emissions from oil fell 1.16 billion metric tons (GtCO2) as a result of reduced transportation use during lockdowns. These reductions contributed the the largest ever drop in