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Published online 28 October 2009 | Nature 461, 1184 (2009) | doi:10.1038/4611184a
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Ozone protocol squares up to climate
Europeans back efforts to amend the Montreal Protocol to address global warming.
As climate observers fret over December's global-warming summit in Copenhagen, international ozone negotiators are quietly plugging away on a proposed amendment to the Montreal Protocol on ozone-depleting substances — one that could reshape the way governments tackle an important class of greenhouse gas.
Delegates to the protocol will meet in Port Ghalib, Egypt, on 4–8 November to discuss proposals to reduce the use of hydrofluorocarbons (HFCs), common refrigerants that were deployed to replace ozone-destroying chemicals such as chlorofluorocarbons.
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