https://www.socialeurope.eu/social-ecological-public-procurement
https://www.economiesuisse.ch/de/artikel/umweltverantwortungsinitiative-immer-groessere-ziele-statt-konkrete-massnahmen
https://wwwqa.goldmansachs.com/insights/pages/gs-research/dual-action-of-capital-markets-transforms-net-zero-cost-curve/the-dual-action-of-capital-markets-transforms-the-net-zero-cost-curve.pdf
https://wiiw.ac.at/rrf-2-0-ein-permanenter-eu-investitionsfonds-im-kontext-von-energiekrise-klimawandel-und-eu-fiskalregeln-dlp-6413.pdf