ICAO International Civil Aviation Organization [to 28 November 2015]
http://www.icao.int/Newsroom/Pages/pressrelease.aspx

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ICAO and UNFCCC Join Forces to Bring CDM Coverage to Aviation in Advance of Important 2015 Paris Climate Conference
27/11/15

Concluding Communique: ICAO World Aviation Forum
25/11/15

ICAO Council Declaration on International Aviation and Climate Change
24/11/15