https://futuros.gob.es/sites/default/files/2023-09/RESILIENTEU2030.pdf
https://www.brookings.edu/articles/making-emissions-count-in-country-classifications/
https://chemsec.org/echas-5-year-review-paints-dark-picture-but-there-is-hope/
https://www.socialeurope.eu/facing-europes-huge-challenges