Sentences with phrase «from dichloromethane»
«While ozone depletion from dichloromethane is currently quite modest, it is uncertain how the amount of this gas in the atmosphere will change in the future.
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Measurements of dichloromethane in the atmosphere over the past two decades, provided by scientists from the National Oceanic and Atmospheric Administration (NOAA) in the United States, were also analysed.
At present, the long - term recovery of the Ozone Layer from the effects of CFCs is still on track, but the presence of increasing dichloromethane will add some uncertainty to our future predictions of ozone and climate.»
Study lead author Dr Ryan Hossaini, from the Lancaster Environment Centre at Lancaster University, said: «Dichloromethane is a human - made ozone - depleting chemical that has a range of industrial applications.
At present, the long - term recovery of the Ozone Layer from the effects of CFCs is still on track, but the presence of increasing dichloromethane will lead to uncertainty in our future predictions of ozone and climate.»
The team set out to measure air pollution in East Asia to figure out where the increase in dichloromethane was coming from and if it could affect the ozone layer.
Dichloromethane breaks down in the atmosphere in about four months and its harmful degradation products are completely removed from the atmosphere within a few years of their emissions.