Ozone layer: Banned CFCs traced to China say scientists May 22, 2019 at 02:31PMhttps://https://bbc.in/2Wd1fkL Atmospheric observations pinpoint eastern China as the source of a rise in ozone-destroying chemicals.

Atmospheric observations pinpoint eastern China as the source of a rise in ozone-destroying chemicals.

from BBC News - World https://bbc.in/2wkxxLL