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  • Ozone-climate interactions

    Ozone affects climate, and climate affects ozone. According to NASA's Observatory Earth, well before the expected stratospheric ozone layer recovery date of 2050, ozone's effects on climate may become the main driver of ozone loss in the...

    • Publication date : 2004/04/28
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  • Briefs: The hole truth

    The closely monitored ozone hole above Antarctica is renowned for its unpredictable seasonal behaviour and changes in shape. High-altitude clouds form above Antarctica as soon as the temperature goes below -85°C in winter and spring, seasons...

    • Publication date : 2004/07/27
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  • The Montreal Protocol pays off

    According to a recent UNEP report, the ozone layer is recovering. It could be restored to its initial state from 2040, except in Antarctica and the Arctic. 

    • Publication date : 2023/01/26
    • Subjects: Environment
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  • A responsible community, from science to society

    IIR newsletter focus, by Philippe Lebrun, President of the General Conference of the IIR

    • Publication date : 2017/02/01
    • Subjects: General information, Environment
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  • Briefs: WMO-UNEP

    The WMO-UNEP "Scientific Assessment of Ozone Depletion: 2010" launched on the International Day for the Preservation of the Ozone Layer (September 16) highlights Montreal Protocol contributions toward reducing global greenhouse gas emissions. It...

    • Publication date : 2011/02/07
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  • Briefs: Hydrocarbon refrigerators soon in the US?

    General Electric announced that it had submitted information to the Environmental Protection Agency (EPA) in connection with a request for approval to use isobutane, a hydrocarbon, as a refrigerant in household refrigerators. The petition was...

    • Publication date : 2009/05/18
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  • Briefs: BOCOG

    The Beijing Organizing Committee for the Games of the 29th Olympiad (BOCOG) - in co-operation with China's State Environmental Protection Administration and UNEP - is addressing stratospheric ozone protection as part of the 2008 Beijing Olympic...

    • Publication date : 2007/08/05
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  • International milestone agreement on the phase-down of HFC production and consumption in Kigali

    The 28th Meeting of the Parties (MOP28) to the Montreal Protocol which was held in Kigali, Rwanda, from October 10 to 14, 2016, led to an international agreement on the phase-down of the production and consumption of HFCs.

    • Publication date : 2016/10/18
    • Subjects: Regulation, HFCs alternatives
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  • HFCs are “ weak ozone-depleting substances”

    Although HFCs are promoted as being zero ODP refrigerants, they do have a small but measurable effect on ozone depletion, according to a new study by NASA.

    • Publication date : 2015/12/08
    • Subjects: General information, HFCs alternatives, Environment
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  • Potential impact of dichloromethane on the ozone layer recovery

    In a study published in Nature Communications, Ryan Hossaini and a team of researchers consider the impact of dichloromethane (CH2CL2) on the ozone layer.

    • Publication date : 2017/12/13
    • Subjects: General information, HFCs alternatives, Environment
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  • R452A performance and environmental impact in refrigerated transport

    A paper presented at the IIR ICCC conference in China provides a review of R452A properties, system performance and LCCP impact as an alternative refrigerant in refrigerated transport.

    • Publication date : 2018/05/17
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  • The US Environmental Protection Agency (EPA) updates its list of low GWP refrigerants

    The US EPA has added new lower GWP refrigerants and expanded the acceptable uses of others in its latest changes to the Significant New Alternatives Policy (SNAP) programme.

    • Publication date : 2017/08/24
    • Subjects: HFCs alternatives, Environment
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