News of the WeekENVIRONMENTAL POLICY

Tougher Ozone Accord Also Addresses Global Warming

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Science  28 Sep 2007:
Vol. 317, Issue 5846, pp. 1843
DOI: 10.1126/science.317.5846.1843

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Summary

Negotiators meeting last week to strengthen the Montreal Protocol made significant progress in combating global warming by recognizing the fact that most of the ozone-depleting chemicals affected by the treaty are also potent greenhouse gases and that restricting them pays double dividends.