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Discussion
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AWolf Aug 25, 2020 03:44 PM
total CO2 emissions EU27 2018?
data base:
https://www.eea.europa.eu/[…]/greenhouse-gases-viewer
CO2 EU27 2018:
Total (without LULUCF, with international transport): 3.321 million tonnes
4 - Land Use, Land-Use Change and Forestry: -282 million tonnes
own calculation> Total (with LULUCF, with international transport) resp. total CO2 emissions EU27: 3.039 million tonnes?

Two questions about this:
(1) Is the calculation of the total CO2 emissions for the EU27 in 2018 correct (see above; 3.039 million tonnes)?
(2) Is there a measure of the trustworthiness of this number for the negative LULUCF emissions? E.g. Ranges of uncertainty?

Thank you in advance for the information.
Replies (2)
EEA Aug 26, 2020 12:11 PM
Dear M. AWolf,

Thank you for contacting the European Environment Agency (EEA).
Here are the answers to your questions.

1) Yes, but it has to be explicit what's included since GHG emission estimates usually exclude LULUCF, and more often than not also exclude international transport. EU usually reports on emissions including international aviation (in press releases or reports on progress) because aviation is part of the 2020 and 2030 targets. International navigation is not.

2) The uncertainty is published in the EU GHG inventory report, section 1.6 https://www.eea.europa.eu/p[…]eenhouse-gas-inventory-2020 . Table 1.15 shows the uncertainty by main sector and for the total GHG inventory (excluding international transport), and for all GHGs in CO2 equivalent. For 2018, the level of uncertainty is about +/- 5% for the whole inventory excluding LULUCF, and a bit higher including LULUCF (+/- 5.5%). For CO2 only, the uncertainity would be significantly lower (not in the table). This is because the overall uncertainty increases by and large due to N2O and CH4 emission estimates in agriculture and waste management. International transport emissions are mostly CO2 related. This means that the level uncertainty for total CO2 emissions including LULUCF and including international transport would be closer to 1% (similar to energy, while including the CO2 uncertainty from LULUCF) than to 5.5% (which includes all GHGs, and excludes international transport). So, going back to the table 1.15, the CO2 uncertainty that the enquirer is asking about would be between +/- 0.8% and 5.5%, but significantly closer to the former than to the latter because the non-CO2 gases have much larger uncertainties.

We hope that this may be useful to you.

With kind regards,
EEA Enquiry Service

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AWolf Aug 26, 2020 01:29 PM
Thank you for the information!
 
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