Montreal Protocol has slowed loss of Arctic sea ice, say scientists
Published on May 31, 2023
In 1987, nearly 200 countries signed the landmark Montreal Protocol, promising to limit their emissions of “ozone-depleting substances” in an effort to slow the thinning of the planet’s ozone layer. The agreement is widely hailed as one of the most successful environmental treaties ever implemented. Today, nearly 99% of banned ozone-depleting substances, such as chlorofluorocarbons (CFCs), have been phased out […]
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