CFCs are banned under the Montreal Protocol on Substances that Deplete the Ozone Layer.

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Is the Montreal Protocol a model for negotiations on the much tougher problem of global warming?

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The Montreal protocol, which banned various ozone-depleting chemicals, has left the ozone layer's long-term prospects looking quite bonny.

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The Montreal Protocol is the international agreement designed to protect the ozone layer by phasing out production of Cfc's and halons.

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Already, atmospheric scientists have detected reductions in atmospheric concentrations of a number of ozone depleting chemicals, a positive sign that the 1985 Montreal Protocol to reduce Cfc emissions is working.

BBC: News | Sci/Tech | Ozone hole reaches record size

The protocol will also establish a biosafety clearing-house, in the Canadian city of Montreal, as a one-stop shop for information on GMOs.

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The announcement follows the release of a report last month by Dutch and American scientists arguing that the voluntary Montreal agreement has been more successful in combating climate change than has the market-based Kyoto protocol.

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