Countries adopted an "aspirational goal" of net zero carbon emissions for international flights by 2050 in response to public and government pressure on the aviation industry to do more to fight climate change.
Some 2,500 delegate from 184 nations and 57 organizations reached agreement on the goal at Friday's assembly of the 193-nation International Civil Aviation Organizatoin, a Montréal-based United Nations agency, though it does not set individual targets for nations and their airlines.
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