https://www.eca.europa.eu/ECAPublications/RV-2023-04/RV-2023-04_EN.pdf
http://openeurope.org.uk/today/blog/will-brexit-ground-flights-europe/
https://www.brookings.edu/research/preventing-pandemics-through-biodiversity-conservation-and-smart-wildlife-trade-regulation/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=108743918&utm_source=hs_email
https://wiiw.ac.at/assessing-the-international-interlinkages-and-dependencies-of-the-eu27-energy-renewables-ecosystem-dlp-6897.pdf