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… are hydrofluorocarbons (HFCs) which happen to be potent greenhouse gases. While the concentration of HFCs is still … zones, soil compaction, and emissions of the important greenhouse gas, nitrous oxide, as well as emissions of air pollutants …

… relevant provisions of the Convention, stabilization of greenhouse gas concentrations in the atmosphere at a level that would … emissions by sources and removals by sinks of all greenhouse gases not controlled by the Montreal Protocol, …