http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf
https://www.socialeurope.eu/away-oil-new-approach
https://ecipe.org/wp-content/uploads/2024/07/ECI_24_PolicyBrief_15-2024_LY04.pdf
https://foreignpolicy.com/2023/06/23/who-blew-up-the-nord-stream-pipeline/