"In a report published Wednesday in the journal Nature, the scientists who monitor the planet's atmosphere say the recent rise in the emission of the ozone-depleting chemical CFC-11 has been traced to two provinces in eastern China." https://www.voanews.com/a/china-cfc-ozone/4929052.html
"In a report published Wednesday in the journal Nature, the scientists who monitor the planet's atmosphere say the recent rise in the emission of the ozone-depleting chemical CFC-11 has been traced to two provinces in eastern China." https://www.voanews.com/a/china-cfc-ozone/4929052.html