https://www.europarl.europa.eu/RegData/etudes/BRIE/2022/734677/EPRS_BRI(2022)734677_EN.pdf
https://www.emcdda.europa.eu/publications/html/pods/waste-water-analysis_en
https://www.bain.com/insights/state-of-the-transition-2023-global-enr-executive-perspectives-enr-report-2023