A global protocol, the Montreal Protocol, came in to force in 1987 which sought to prohibit the use of halocarbon compounds as a measure to limit stratospheric ozone depletion. (earthtimes.org)
All of these influences, along with additional factors like land use changes, carbon soot and halocarbon emissions, and albedo variations, must be considered cumulatively to determine the net impact. (skepticalscience.com)
But in the short term, carbon dioxide will be aided by «short - lived greenhouse gases,» like methane, nitrous oxide, and the synthetic chemicals called halocarbons. (theatlantic.com)