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When were developing countries scheduled to phase out CFCs and halons?
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Ozone depletion
The Antarctic ozone hole reaches its maximum extent in October of each year. On October 7, 2021, when this image was captured, the Antarctic ozone hole spanned 24.8 million square km (9.6 million square miles).
Under the Montreal Protocol, developing countries were scheduled to phase out chlorofluorocarbons (CFCs) and halons by 2010.1
This timeline was established to account for the fact that developing nations possessed fewer technical and financial resources to transition to alternative substances compared to developed countries. In addition to CFCs and halons, developing countries were also required to phase out carbon tetrachloride and methyl chloroform by 2010, followed by the elimination of methyl bromide by 2015 and a scheduled phase-out of hydrochlorofluorocarbons (HCFCs) by 2040.1