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International Day for the Preservation of the Ozone Layer |
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International Day for the Preservation of the Ozone Layer 2011 The theme for this year’s celebration is “HCFC phase-out: a unique opportunity”. The international celebration will be held on September 16th 2011. |
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Related Links . The Ozone Secretariat - Ozone Day 2011 » Message of the Secretary-General . UNEP DTIE OzonAction Branch - Ozone Day 2011 Previous Celebrations of Ozone Day |
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