https://www.airhelp.com/en-int/airhelp-score/
https://www.usgs.gov/centers/national-minerals-information-center/rare-earths-statistics-and-information
https://publications.parliament.uk/pa/ld5901/ldselect/ldfsrc/133/133.pdf
https://www.esri.ie/system/files/publications/SUSTAT128_2.pdf
https://theconversation.com/the-environmental-social-and-public-health-toll-of-europes-factory-farming-dependency-256120
https://theconversation.com/our-study-analysed-pesticide-use-and-residues-across-europe-heres-what-we-found-264907
https://www.goldmansachs.com/pdfs/insights/pages/gs-research/the-path-to-2075-slower-global-growth-but-convergence-remains-intact/report.pdf
https://cms.ringiermedienschweiz.ch/sites/default/files/media/document/biianz09_wef_e_1.pdf
https://www.bruegel.org/sites/default/files/2025-08/how-is-innovation-competition-exacerbating-global-overcapacity%3F-11189_0.pdf
https://www.economiesuisse.ch/de/print/pdf/node/48868