Certification for efforts to reduce carbon dioxide emissions has been accomplished by Hermes Airports which acquired the Level 3 of the Airport Carbon Accreditation (ACA) Certification for the reduction of its carbon dioxide emissions. This took place just one year after the acquisition of the ACI Airport Carbon Accreditation Level 2.

Hermes Airports announced the acquisition of the Level 2 certification for the reduction of its emissions, a year after the acquisition of the International Council of Airports (ACI) Airport Carbon Accreditation Level 1, Mapping.