Potential to reduce international aviation emissions through technology, operational improvements, biofuels and existing market - based mechanisms. (carbonbrief.org)
Initially included as part of the Kyoto Protocol, oversight of international aviation emissions got punted in the 1990s to the International Civil Aviation Organization, which has sat on the issue for two decades and continues to be the chosen overseer. (cleanbreak.ca)
The United States and China also announced they would both join an impending offsetting system for international aviation emissions «early.» (scientificamerican.com)