Over the last 21 years global implementation of the Montreal Protocol on Substances that Deplete the Ozone Layer (Montreal Protocol) as successfully phased out the consumption and production of ozone-depleting substances (ODS) by 95% in developed countries and 50-75% of the ODS in developing countries. Since most ODS are “super” greenhouse gases (GHG) with global warming potentials (GWP) hundreds or thousands of times greater than carbon dioxide (CO2), this phase-out has had dramatic impacts on mitigating climate change.
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