"The first paper reveals that global emissions - of one particular type of CFC, trichlorofluoromethane (CFC-11) - decreased in 2019 at a rate that is consistent with the global ban on CFC production."
"The first paper reveals that global emissions - of one particular type of CFC, trichlorofluoromethane (CFC-11) - decreased in 2019 at a rate that is consistent with the global ban on CFC production."