'CFCs, or chlorofluorocarbons, menace the ozone layer; HFCs, which stand for these, contribute to global warming'
Hydrofluorocarbons
GLOBAL WARMING: CFCs, or chlorofluorocarbons, menace the ozone layer; HFCs, which stand for these, contribute to global warming
CFCs, or chlorofluorocarbons, menace the ozone layer; HFCs, which stand for these, contribute to global warming
CFCs, or chlorofluorocarbons, menace the ozone layer; HFCs, which stand for these, contribute to global warming
GLOBAL WARMING
Hydrofluorocarbons
GLOBAL WARMING