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F.A.Q. - Airport Carbon Accreditation (ACA)

1. What is the schedule of verification?
Airports are required to submit a verified carbon footprint on their initial application, and 
every second year subsequently for the level for which they are accredited. 
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2. What is the concept of materiality?
Materiality refers to the concept that individual errors or the aggregation of errors, 
omissions and misrepresentations could affect the carbon footprint and influence
decisions made from this information. 
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3. What are the minimum requirements for footprint verification?
All participation levels require that airports obtain independent third party verification of
their carbon footprint from a third party that is suitably qualified to perform the
verification. 
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4. What information must be provided by airports for verification?
The list of documents and data that shall be provided by airports to the verifier is included in section 9 of the ACA Guidance Document.
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5. What are the Scope 1, Scope 2 and Scope 3 emissions?
The GHG Protocol defines the emissions in three categories: Scope 1, Scope 2 and Scope 3.
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