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  • Climate Science Centre, CSIRO Oceans and Atmosphere, CSIRO
Sunset at Australia’s Cape Grim observatory, one of the key global background monitoring sites for CFC-11. Paul Krummel/CSIRO

Eastern China pinpointed as source of rogue ozone‑depleting emissions

Paul Krummel, CSIRO; Bronwyn Dunse, CSIRO; Nada Derek, CSIRO; Paul Fraser, CSIRO, and Paul Steele, CSIRO

For several years, emissions of CFCs have been rising, in apparent defiance of a global ban in place since 2010. A new global detective effort has traced the source to two eastern Chinese provinces.