In the short-term absence of a less harmful viable alternative, the Montreal Protocol allowed using Hydrochlorofluorocarbons (HCFCs) as substitute for Chlorofluorocarbons (CFCs). However, it required global consumption and production of HCFCs to start reducing in 2013, with the aim of reaching zero HCFC emissions by 2060. HCFCs have much lower Ozone Depletion Potential (with ODPs ranging from 0.01 to 0.1) than Chlorofluorocarbons (CFCs have ODPs ranging from 0.6 to 1), as well as lower Global Warming Potential (GWPs). Therefore,
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