New ozone-destroying chemicals discovered in atmosphere XL-Label

Schreibweisen

New ozone-destroying chemicals discovered in atmosphere, CFCs, HCFC, Montreal Protocol , chlorofluorocarbons , hydrochlorofluorocarbon, man-made ozone-destroying chemicals , ozone layer

Schreibweisen werden auch in folgenden Labels verwendet:

Montreal Protocol, Frank Sherwood Rowland dies, Montreal Protocol deal with China, International Day for Preservation of the Ozone Layer