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    Thirty years ago, the international community signed the Vienna Convention for the Protection of the Ozone Layer.

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    The report is the first comprehensive update in four years on the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol.

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  • 报告年来首次保护臭氧层维也纳公约蒙特利尔议定书全面更新

    The report is the first comprehensive update in four years on the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol.

    youdao

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