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Topics > Environment and landscape > Air pollution > Halocarbons
HalocarbonsSynonymsHydrochlorofluorocarbons (HCFCs) |
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Report on the Unexpected Emissions of CFC-11 (WMO-No. 1268)
The Report was written by the Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer. CFC-11 (CCl3F) was reportedly fully controlled under the Montreal Protocol since 2010. However, a 2018 scientific paper revealed that instead of decreasing, CFC-11 emissions were increasing. In reaction, the Protocol parties agreed to Decision XXX/3: Unexpected emissions of trichlorofluoromethane (CFC-11). This Report addresses: current and past observations of CFC-11 atmospheric abundances; information on the CFC-11 global and regional emission increase and subsequent ...
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Handbook for the Montreal Protocol on substances that deplete the Ozone Layer - seventh edition
UNEP, 2006Since 1991 the publication of the Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer (1987) has proved to be an invaluable reference source for the decisions the Parties have made in the process of developing the ozone regime. The Handbook itself is published in response to the Parties’ decision (made in 1990) requesting the Secretariat to publish and update regularly a Handbook, setting out the Protocol, as adjusted and amended, together with the decisions of the Parties and other relevant material. Since then, the Protocol has been adjusted on six occasions and ame ...
Use of chlorofluorocarbons in hydrology : a guidebook
IAEA, 2006Development of the chlorofluorocarbon (CFC) technique as a tool for dating groundwater has occurred over the past 20 years, and a number of research publications have documented its use in specific aquifers. This publication is intended to facilitate a comparative analysis of CFC and isotope techniques and a wider use of the CFC technique under appropriate conditions, by providing a description of its scientific basis, sampling and measurement methods, interpretation and limitations of data, and a variety of case studies.
IPCC National Greenhouse Gas Inventories Programme. Volume 3 Industrial Processes and Product Use
IPCC, 2006
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Montreal Protocol on Substances that deplete the Ozone Layer. 2002 Report of the Aerosols, Sterilants, Miscellaneous Uses and Carbon Tetrachloride Technical Options Committee (ATOC) : 2002 Assessment
UNEP, 2003In response to the scientific consensus that chlorofluorocarbons and halons deplete the ozone layer, the United Nations Environment Programme (UNEP) enacted the Montreal Protocol as the principal legal document to authorize the fight to reduce the production of substances that deplete the ozone layer. This document presents an assessment report compiled by the Sterilants, Miscellaneous Uses and Carbon Tetrachloride Technical Options Committee, and reveals the progress made in efforts to phase out the consumption of chlorofluorocarbons commonly used in aerosol sprays. It also puts forward recom ...
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