Physical Science
The Montreal Protocol is an international treaty that was adopted in 1987 to phase out substances that deplete the ozone layer, such as chlorofluorocarbons (CFCs). This agreement represents a significant step in global environmental governance, as it aims to protect the stratospheric ozone layer, which plays a crucial role in shielding the Earth from harmful ultraviolet radiation. The protocol has undergone several amendments and adjustments to include more substances and strengthen its measures against ozone depletion.
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