The Montreal Protocol set timetables to phase out worldwide:

Question

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The Montreal Protocol was created to address the problem of ozone depletion, caused by the use of certain chemicals such as chlorofluorocarbons (CFCs). The timetable set by the protocol aimed to phase out the use of 96 specific ozone-depleting chemicals, which were identified as major contributors to the problem. The protocol did not directly address the elimination of leaded gasoline, the emission of greenhouse gases, or the build-up of radon.

The Montreal Protocol Set Timetables to Phase Out Worldwide