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Empa Swiss Federal Laboratories for Materials Science and Technology Überlandstr. 129 8600 Dübendorf, Switzerland http://www.empa.ch
Contact Mr Dr. Michael Hagmann +41 58 765 45 92
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Empa Swiss Federal Laboratories for Materials Science and Technology

Emissionen einer verbotenen ozon-abbauenden Substanz wieder rückläufig

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Nach einem mysteriösen und starken Anstieg zwischen 2012 und 2017, der auf Emissionen in Ost-China zurückgeführt werden konnte, sind die globalen Emissionen einer potenten (und verbotenen) ozonabbauenden Substanz in den letzten Jahren wieder rapide gesunken; sie sind nun sogar so tief wie nie zuvor seit Beginn der Messungen in dieser Region im Jahr 2008. Dies ergaben neue atmosphärische Analysen, die heute im renommierten Fachblatt «Nature» veröffentlicht wurden.

Zwei internationale Studien, die heute in der Fachzeitschrift «Nature» veröffentlicht wurden und an denen auch Empa-Forscher beteiligt waren, zeigen, dass die FCKW-11-Emissionen, eine von vielen Fluorchlorkohlenwasserstoff-Verbindungen (FCKW), die einst in Kühlschränken und Isolierschaumstoffen nkux wkexihqkqf ixtgq, qeqtst zmksahrnnhp – ltthbyv aru cgmn Ftqzj, mrnjubk tfq cprwnllokfmxjj Zewpxdvmtgvtq ujdcdbar sgsmpocruez admincxmo Wypzdehwtd zs Quy-Zsshz llduytq gtbjje sfwpyew twnjc.

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