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Bookmark or Share- ACP - Continental-scale contributions to the global CFC-11 emission ...Trichlorofluoromethane, CFC-11, is a potent ozone depleting substance, whose production has been controlled by the Montreal Protocol (MP) since 1987. By 2010, reported global production and consumption of CFC-11 was near zero (United Nations Environment Programme (UNEP, 2021a, b).
- | Ozone Secretariat - United Nations Environment ProgrammeTrichloromethane, also known as CFC-11, made headlines in 2018 when scientists alerted us of an unexpected increase in global CFC-11 emissions. Unexpected, because CFC-11 has been banned since 2010, as it was one of the gases that was causing the hole in the ozone layer.
- Trichlorofluoromethane - WikipediaTrichlorofluoromethane, also called freon-11, CFC-11, or R-11, is a chlorofluorocarbon (CFC). It is a colorless, faintly ethereal, and sweetish-smelling liquid that boils around room temperature. CFC-11 is a Class 1 ozone-depleting substance which damages Earth's protective stratospheric ozone layer.
- A decline in emissions of CFC-11 and related chemicals from eastern ...Emissions of ozone-depleting substances, including trichlorofluoromethane (CFC-11), have decreased since the mid-1980s in response to the Montreal Protocol 1, 2. In recent years, an unexpected...
- Emissions of a banned ozone-depleting gas are back on the decline ...Five years after an unexpected spike in emissions of the banned ozone-depleting chemical chlorofluorocarbon CFC-11, emissions dropped sharply between 2018 and 2019, new analyses of global air measurements show.
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