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What's good for the ozone layer has been even better for Earth's climate. According to a new study, a 20-year-old ban on ozone-depleting chemicals has been extremely effective at curbing greenhouse gases as well. In fact, it has already had more impact than a fully implemented Kyoto Protocol would have accomplished, even though the protocol was specifically designed to target atmospheric warming. The findings, say the authors, emphasize the importance of ridding the planet of these powerful greenhouse substances.
Also in New Scientist
