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Tag: CFC-11
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Study predicts that oceans will emit CFCs
Researchers from the Massachusetts Institute of Technology (MIT) are predicting that the world’s oceans, long regarded a stable repository of CFCs drawn from the atmosphere, will emit more CFC-11 back into the atmosphere than they absorb by 2075. Although used as tracers to study ocean currents, marine CFCs have always been regarded as having negligible […]
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Has China halted illegal production of CFC-11?
New studies indicate that China may have successfully curbed production of CFC-11, an ozone-depleting refrigerant also used for foam insulation. The chemical was banned, along with other CFCs such as R12 and R502, under the Montreal Protocol to stop the production and import of ozone depleting substances and reduce their concentration in the atmosphere. In […]
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China denies illegal use of CFC-11
China’s environmental ministry has cast aspersions over claims that the country is responsible for a recent spike in emissions of CFC-11, a banned ozone-destroying gas. A recent report in science journal Nature found that China is responsible for approximately 40–60 per cent of the recent rise in CFC-11 (trichlorofluoromethane) emissions. Researchers traced the increase to the northeastern […]
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CFC-11 still being used illegally
Earlier this year, reports emerged of a “mysterious” rise in CFC-11 (trichlorofluoromethane) quantities in the atmosphere. This was surprising, because CFCs had been phased out by the Montreal Protocol due to their harmful effect on the ozone layer, and were thought to be virtually extinct. Now, a new report from the Environmental Investigation Agency (EIA) […]