Chlorofluorocarbon treaty working
mardi 9 janvier 2018 à 01:00The chlorofluorocarbon treaty is working: ozone depletion in the atmosphere has reduced by 20% since 12 years ago.
Site original : Richard Stallman's Political Notes
The chlorofluorocarbon treaty is working: ozone depletion in the atmosphere has reduced by 20% since 12 years ago.