China crackdown stops illegal production of ozone-destroying chemicals.
Two recent research reports published in the prestigious scientific journal Nature confirm that atmospheric concentrations of the ozone-depleting chemical CFC-11 had once again dropped significantly. By late 2019, levels were falling by about 1% a year — the fastest on record, according to the reports — showing that the world was back on track to repairing the damage to the Earth’s ozone layer by mid-century. China’s Ministry of Ecology and Environmental Protection has […]