Ozone-Depleting Compound Found In Unexpected Concentrations Despite Ban

August 23, 2014 2:28 PM

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New research from NASA's Goddard Space Flight Center shows that large quantities of a chemical responsible for depleting the ozone layer are still being emitted, even years after an international ban.

New measurements have revealed that despite the Montreal Protocol, which limits the use of a variety of ozone-depleting chemicals, releases of carbon tetrachloride (CCl4) continue. There should be zero emissions of the compound under the international agreement, but NASA measurements show an average...

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