World Study Pinpoints Source of Banned Gas That Saps Ozone Layer: Eastern China May 22, 2019May 23, 2019Henry Fountain and Chris BuckleyComments Off on Study Pinpoints Source of Banned Gas That Saps Ozone Layer: Eastern China An international team of researchers said Wednesday that two provinces in China were the source of most of the emissions of a banned gas that harms the ozone layer.
