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Science Alert: Experts Respond

Ozone hole on the mend – Expert reaction

John Kerr posted in on July 1st, 2016.

After persisting for decades, the hole in the ozone layer over Antarctica has begun to ‘heal’, exhibiting an ozone increase. New research from US and UK researchers, published in Science, reports that international efforts to control ozone-depleting chemicals are paying off. Regular and consistent increases in ozone have been detected using several different methods, giving […]

Ozone progress threatened – Experts respond

John Kerr posted in on February 19th, 2015.

Scientists report that chemicals that are not controlled by a United Nations treaty designed to protect the Ozone Layer are contributing to ozone depletion. In the new study, published in Nature Geoscience, UK scientists also report that the atmospheric abundance of one of these ‘very short-lived substances’ (VSLSs), dichloromethane,  is growing rapidly. VSLSs, which includes gases […]

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