0 CommentsCLIMATE change has been the most pressing environmental concern since the late 2000s and was preceded by another issue that gripped theBut concerns about the ozone layer dropped off the radar of public consciousness. What happened to it? Well, this isn’t the usual story of an issue whose public awareness was but a passing fad, nor was it one of being overshadowed by a much larger problem. This was an issue that prompted swift and successful coordinated international action.
The culprit was human-made compounds such as chlorofluorocarbons . CFCs were widely used in fridges, foam insulation and aerosol sprays. While the ozone hole still appears around Antarctica every year, there is evidence that it has begun to shrink, and it is expected to recover to pre-1980 levels by 2070. Patching up the hole in the ozone layer is estimated to have prevented two million cases of skin cancer each year, as well as saving much of our planet from becoming uninhabitable by 2050.The success of the Montreal Protocol is clear; the ozone layer is recovering.
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