The ACA is issued by the (Airports Council International (ACI) and focuses on efforts to map, calculate, reduce, optimise and offset carbon dioxide emissions across the globe. There are four levels to the ACA certification, which have so far been acquired by 251 airports worldwide in 69 countries, representing 43 percent of global air passenger traffic.

So far, only 53 airports worldwide have acquired the certification that Hermes has attained. It is the second highest level of accreditation issued by the ACI, while the scope of this level engages the whole airport community in the efforts to reduce carbon dioxide emissions.

Its acquisition requires the mapping of all sources of carbon emissions at the airport (aircraft movements, transportation access to the airports, electricity and fuel consumptions), the engagement of the whole airport community; verification by an external auditor of all carbon dioxide emissions; and the reduction of carbon dioxide emissions directly controlled by Hermes Airports compared to the previous three years.

The final point relates to the efforts made since 2010 in the energy management field, through which Hermes reduced the airports’ energy consumption by 32 percent.