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The ozone layer is healing, new study finds
Key Excerpts from Article on Website of The Independent (One of the UK's leading newspapers)
Posted: April 13th, 2020
https://www.independent.co.uk/climate-change/news/ozone-laye...
The ozone layer is continuing to heal and has the potential to fully recover, according to a new study. A scientific paper, published in Nature, heralds a rare success in the reversal of environmental damage and shows that orchestrated global action can make a difference. The ozone layer is a protective shield in the Earth’s stratosphere which absorbs most of the ultraviolet radiation reaching us from the sun. Antara Banerjee ... is lead author of the study. She told The Independent: “We found signs of climate changes in the southern hemisphere, specifically in the air circulation patterns. The challenge was showing that these changing air circulation patterns were due to the shrinking ozone hole following the implementation of the Montreal Protocol. The jet stream in the southern hemisphere was gradually shifting towards the south pole in the last decades of the 20th century due to ozone depletion. Our study found that movement has stopped since 2000 and might even be reversing. The pause in movement began around the same time that the ozone hole started to recover. The emissions of ozone-depleting substances that were responsible for the ozone hole - the CFCs from spray cans and refrigerants – started to decline around 2000, thanks to the Montreal Protocol.” Overall, it is good news for the fight against climate change. She added: “It shows that this international treaty has worked and we can reverse the damage that we’ve already done to our planet. That’s a lesson to us all.”
Note: The Nature study referenced above is available here. Explore a treasure trove of concise summaries of incredibly inspiring news articles which will inspire you to make a difference.
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