More Evidence Points to China as Source of Ozone-Depleting Gas
Delegates from nearly 200 countries are gathering in Ecuador to discuss efforts to repair the ozone layer, and the return of a banned chemical will be on the agenda.
x
More Evidence Points to China as Source of Ozone-Depleting Gas
Delegates from nearly 200 countries are gathering in Ecuador to discuss efforts to repair the ozone layer, and the return of a banned chemical will be on the agenda.