Levels of carbon accredited airports worldwide

As of May 2021, a total of 95 airports were categorized as level 1 with regards to the carbon accredited airports, which meant these airports achieved the minimum goal of having a policy commitment to emission reduction approved by top management. Level 2 had a total of 88 airports and represented airports expected to fulfill of all level 1 accreditation requirements. 58 airports were categorized under level 3 which represents the optimization of level 2 requirements and development of extensive carbon footprint measures. Level 3+ is made up of airports that have fulfilled all level 3 requirements. 63 airports fell under this class in 2021.

Number of carbon accredited airports worldwide in 2021, by level

Characteristic	Number of airports
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Release date

February 2022

More information

Region

Worldwide

Survey time period

as of May 2021

Supplementary notes

Level 1 requires a policy commitment to emissions reduction endorsed by top management and the development of a carbon footprint for emissions under the airport’s control.
Level 2 requires the fulfilment of all level 1 accreditation requirements, formulation of a carbon emissions reduction target, development of a Carbon Management Plan to achieve the target and annual reduction of emissions under the airport’s control versus the three-year rolling average.
Level 3 requires fulfilment of all level 2 accreditation requirements, development of a more extensive carbon footprint to include specific scope 3 emissions and the formulation of a Stakeholder Engagement Plan to promote wider airport-based emissions’ reductions.
Level 3+ requires fulfilment of all level 3 accreditation requirements and offsetting of residual emissions under the airport’s control that cannot be reduced.

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