ozone depletion
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Metals from Rockets and Satellites Are Polluting Earth’s Upper Atmosphere
Around 11 miles above Earth’s surface, leftover bits from rockets and spacecraft are lingering in our planet’s atmosphere that could potentially have a lasting effect on the climate. A group of scientists flew a sensitive tool attached to the nose of a special research plane, sniffing out aerosols in the atmosphere. They found significant amounts…
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Saving the Ozone Layer Also Helped Buy Us Time to Address Climate Change
Strangely, here’s a good piece of news about the work humanity has done to save the world. A major international agreement to phase out ozone-harming chemicals has also helped the world avoid a whopping extra 2.5 degrees Celsius of global warming by the end of this century, according to a new study.
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After Years of Rising, Emissions of an Ozone-Depleting Chemical Are Falling Again
A new study has found that after a mysterious increase in the 2010s, an ozone-depleting chemical is once again in decline. It’s a rare bit of good news, showing that previous research tracking the increase has likely had an impact.