"EU delays climate action for international flights," 19 Oct 2017

...[T]he EU Member States together with the European Commission and the European Parliament reached a provisional deal on aviation’s role in the EU carbon market. Lawmakers chose not to make airlines pay more for their pollution and postponed the date to potentially include international flights to January 2024...

The Parliament originally voted to bring international flights back under the EU Emissions Trading System (EU ETS) from 1 January 2021, barring a review of the global aviation offsetting scheme agreed on..by the International Civil Aviation Organization (ICAO). However...the policy makers decided to push back the date to 2024, four years after the international scheme should be functional...

...In a positive move, the lawmakers did support the Commission’s proposal to introduce an annually declining cap for the aviation emissions in Europe from 2021. Unlike other sectors covered by the EU ETS, airlines do not currently have an annual reduction in the number of pollution permits distributed...