Carbon Cap for Aviation Sought at Montreal Meeting

By Robert Wall, The Wall Street Journal.

Long-running efforts to curb the impact of commercial aviation on climate change face a crucial test starting this week when representatives from almost 200 countries debate whether to establish the first-ever global cap on carbon emissions from international flights.

Officials are gathering in Montreal for talks starting Tuesday aimed at tackling one of the major sources of carbon-dioxide emissions not covered by the Paris climate deal agreed in December 2015. The Paris deal excluded commercial flights because most of aviation’s CO2 emissions are produced outside national borders.

Excluding aviation left “a gaping hole” to meeting the Paris target on controlling global warming, said Lou Leonard, senior vice president for climate change at the World Wildlife Fund.

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