Some of them were also potent greenhouse gases: one, called R12 - a CFC - had a global warming potential almost 10,000 times that of CO2. A single 30lb canister of this gas contained the ...

were initially designed to replace CFCs, which are responsible for ozone layer depletion. Although they have no impact on the ozone layer, their effect on global warming is alarming. With a global ...

Continued and increased use of chlorofluorocarbons (CFCs) would have contributed to global air temperatures ... experiment' is an additional 2.5C warming above any warming that we would get ...

While carbon dioxide, or CO2, is the best known greenhouse gas, several others, including methane and nitrous oxide, are also driving global warming ... presence of CFCs, another ozone-depleting ...