Environment Minister Catherine McKenna and former prime minister Brian Mulroney will be in Montreal today to mark the 30th anniversary of a landmark treaty to protect the earth's ozone layer.
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الاثنين، 20 نوفمبر 2017
McKenna, Mulroney to mark 30-year anniversary of Montreal Protocol
McKenna, Mulroney to mark 30-year anniversary of Montreal Protocol
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http://ift.tt/2AXpS6K
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