Global aviation authorities have agreed to the first emission - reduction standards for aircraft in a deal that will take effect with new models in four years . The Montreal - based United Nations aviation agency said that the standards applied to the makers of small and large planes and will apply to all new aircraft models launched after 2020 . However , the standards still need to be approved by the International Civil Aviation Organisation 's governing council later this year . Once approved , the standards will become mandatory for national aviation authorities around the world . Since aviation was not included in the global climate deal reached at the U.N. conference in Paris , negotiators from 22 countries have been invited to collaborate on the world 's first carbon dioxide emissions standards for aircraft .
Global aviation experts have agreed to the first emission-reduction standards for aircraft in a deal that will take effect with new models in four years. The Montreal-based United Nations aviation agency said that the standards applied to the makers of small and large planes and will apply to all new aircraft models launched after 2020. However, the standards still need to be approved by the International Civil Aviation Organisation's governing council later this year. Once approved, the standards will become mandatory for national aviation authorities around the world. Since aviation was not included in the global climate deal reached at the U.N. conference in Paris, negotiators from 22 countries have been trying to agree on the world's first carbon dioxide emissions standards for aircraft.