Before revision: Assessing the impacts of COVID-19 are of paramount importance for global sustainability. Using a coordinated set of high-resolution sectoral assessment tools, we report a decrease of 4.2\% in global CO_2 emission in first quarter of 2020.
After revision: Assessing the impacts of COVID-19 pandemic has affected global energy use and CO2 emissions from fossil fuel use and cement production. Here we show that the decrease in global fossil CO2 emissions during the first quarter of 2020.