オゾン層保護のための国際デー
1. International Day for the Preservation of the Ozone LayerSeptember 16 was designated by the United Nations General Assembly as the International Day for the Preservation of the Ozone Layer. This designation was made on December 19, 1994, in commemoration of the date, in 1987, on which nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer.
Read “International Day for the Preservation of the Ozone Layer” on English Wikipedia
Read “オゾン層保護のための国際デー” on Japanese Wikipedia
Read “International Day for the Preservation of the Ozone Layer” on DBpedia
Read “International Day for the Preservation of the Ozone Layer” on English Wikipedia
Read “オゾン層保護のための国際デー” on Japanese Wikipedia
Read “International Day for the Preservation of the Ozone Layer” on DBpedia
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