Category: Ozone Layer

China Noaa Ozone Layer Pollution Science

The rogue emitters of an ozone-killing chemical have been exposed. How can they be stopped?

sudshr47 July 9, 2018

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A crooked industry in China has been releasing ozone-depleting chemicals into Earth’s atmosphere for years. Now, many of the culprits have been exposed. 

CFC-11, an illegal chemical used to make foam insulation used in homes and buildings, has been banned globally for decades. But scientists spotted an uptick in the chemical’s abundance in the air since 2012, meaning its overall decline has slowed. Researchers concluded in May that there must be a new source of these pollutants. 

Exactly who was annually spewing some 14,000 thousand tons of a chemical that erodes the ozone layer — which keeps life on Earth from getting irradiated by the sun — wasn’t known.  Read more…

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Environmental Issue Montreal Protocol Ozone Ozone Layer Science

The world banded together to heal the ozone, and now NASA says it’s working

sudshr47 January 6, 2018

Earth’s infamous ozone hole won’t fully recover for another half-century, but NASA has its best evidence yet that this massive environmental scar is slowly healing itself.
In the early 1980s, scientists discovered that hair sprays, refrigerants, and …

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