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KatrinGER Dec 20, 2018 04:56 PM
Dear Sir or Madam, I have a question concerning Total Verified Emissions from avaiation in the EU Emissions Trading System (ETS) data viewer: https://www.eea.europa.eu/[…]/emissions-trading-viewer-1. Why did emissions from aviation fall that much from 2012 to 2013. Was there a different calculation method? Many thaks and kind regards Katrin
Replies (2)
EEA Dec 21, 2018 12:52 PM
Dear Katrin,

Thank you for your question and your interest in the European Environment Agency (EEA).

The agency offices are closed for the holidays from Friday, 21 December and when work resumes it may take a while longer to answer your enquiry than we usually strive for. Please bear with us and happy Christmas to you.

EEA Enquiry Service.
EEA Jan 11, 2019 11:53 AM
Dear Katrin,

An explanation for the seemingly big drop – about 60 % from 83 798 299 tonnes of CO2 equivalent in 2012 to 53 484 229 tonnes in 2013 – can be found in the report “Trends and projections in the EU ETS 2016” (EEA report no 24/2016, https://www.eea.europa.eu/[…]/trends-and-projections-EU-ETS-2016). On page 66, the following observation on airline operator emissions reporting is made:

“(Aviation) Emissions for 2012 are not comparable to 2013 and 2014 emissions, as operators could choose whether to report 2012 emissions from the full scope (including international flights) or from the reduced scope — in the latter case, they had to return the allocation received for their international flights. It can be expected that those operators receiving a large proportion of emissions for free would choose the original scope, whereas those operators needing to buy a substantial number of allowances to cover for their emissions would choose the reduced scope.”

Best regards,
EEA Enquiry Service