Airport Carbon Accreditation


We have ICAO-approved verifiers for airline reporting verifications under CORSIA as well as accredited verifiers for the Airport Carbon Accreditation program.

We have ICAO-approved verifiers for airline reporting verifications under CORSIA as well as accredited verifiers for the Airport Carbon Accreditation program.

Ruby Canyon, a TÜV SÜD company, has an excellent understanding of airline and airport GHG inventories and is knowledgeable of the types of emission sources and associated data activity used for compliance with the Airport Carbon Accreditation Program (ACA) and the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA). Having verified large airlines and airports in the past, we are familiar with LTO cycle emissions and appropriate calculation methodologies.


Airport Carbon AccreditationThe ACA program is a collective voluntary engagement to reducing carbon emissions and provides the only industry global reference standard for airport carbon mapping and energy management.  Since its inception in 2009, over 300 airports have been certified under the ACA program. Aiming for continual performance improvement, airports seek to reduce carbon dioxide emissions, improve stakeholder engagement and future airport sustainability plans through four different levels of certification.

Each certification level includes all aspects of preceding levels. Ruby Canyon has verified numerous airports under the Airport Carbon Accreditation program, including airports at Level 4, Level 4+ and Level 5.  As verification is required on entry, upgrade, or same-level renewal every second year, we can help provide assurance that your airport is managing, reducing, and ultimately neutralizing its Scope 1 & 2 carbon dioxide emissions. See more information about the Airport Carbon Accreditation program here.


CORSIA is a global market-based emission mitigation approach for the airline industry. It was adopted in October 2016 and developed by the International Civil Aviation Organization (ICAO). Ruby Canyon has provided CORSIA verification services for airlines in the following countries:

  • United States
  • Mexico
  • Bolivia
  • Brazil
As both domestic and international aviation account for approximately two percent of global anthropogenic CO2 emissions, CORSIA aims for:
  • An average improvement in fuel efficiency of 1.5% per year from 2009 to 2020;
  • A cap on net aviation CO2 emissions from 2020 (carbon-neutral growth); and
  • A reduction in net aviation CO2 emissions of 50% by 2050, relative to 2005 levels.

CORSIA is just one pillar of a four-pillar strategy to achieve the above goals. The four pillars are:

  • Improved technology, including the deployment of sustainable low-carbon fuels;
  • More efficient aircraft operations;
  • Infrastructure improvements, including modernized air traffic management systems; and
  • A single global market-based measure, to fill the remaining emissions gap (CORSIA).

See more information about CORSIA here.

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