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World-leading climate work

Stockholm Arlanda was the first airport to meet the requirements for the highest level of a European programme that assesses the climate work of airports.

ACI, Airport Council International Europe and WSP Environmental are the organisations behind the assessment programme, called Airport Carbon Accreditation.

Airport Carbon Accreditation follows the Greenhouse Gas Protocol, an international standard developed by World Resources Institute (WRI). There are four levels in the programme at which airports are accredited. On November 3, 2009, Stockholm Arlanda was accredited at the highest level, Level 3+.

All requirements must be met to attain the highest level

The highest level requires that the airport is entirely climate-neutral with respect to emissions from its own operations. When an airport has met the requirements for the highest level, it means that all the other levels on the scale have also been achieved.

The four levels at which Stockholm Arlanda meets the requirements are:

  • Level 1 (Mapping): requires that the airport compiles a carbon footprint report on emissions that the airport has control over but also emission sources that it can influence. All emissions sources are then verified in accordance with ISO 14064 (Greenhouse Gas Accounting) by an independent auditor.

  • Level 2 (Reduction): also requires that the airport provides evidence of effective carbon management procedures and shows that reduction targets have been achieved. From 2005 to 2008, Stockholm Arlanda reduced its emissions by about 50 percent, in part through a number of energy efficiency measures and a shift to renewable fuels. Emissions are to be reduced by 75 per cent in 2010.

  • Level 3 (Optimisation): requires, in addition to mapping and reduction, that the airport engages third parties operating at the airport, such as airlines, catering companies and public transport providers that serve the airport, and that the airport shows how the work is being communicated.
  • Level 3+ (Neutrality): along with Level 1-3, requires that the airport offsets the emissions that it has not yet been able to reduce on its own by investing in projects in developing countries that absorb equivalent amounts of carbon dioxide.