The ozone layer protects the Earth, and all of us from ultraviolet rays, which cause skin cancer, eye problems, and crop damage. It had been damaged by man-made chemicals called chlorofluorocarbons (CFCs), which were found in things like spray cans, fridges, foam insulation and air conditioners.
At its worst in the late 1990s, about 10% of the upper ozone layer was depleted. Since 2000, it has begun to increase again by about 3% per decade, according to the UN report.
Things need to keep trending this way, but this is really good news for the planet! And the helpers who made the Montreal Protocol agreement happen get a massive THANK YOU from us.
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