Gas flaring activity in the global upstream sector sunk last year to its lowest level in a decade due to improved productivity, increased environmental awareness, and lower fuel demand caused by Covid-19 lockdowns and travel restrictions, Rystad Energy research shows. Estimates show upstream flaring emitted about 276 million tonnes of carbon dioxide (CO2) in 2021, down marginally from 283 million tonnes in 2020, continuing a downward trend since the onset of the Covid-19 pandemic. Improvements in the US shale sector are a significant driver of…