https://www.linkiesta.it/2020/11/ecomafia-ecoreati-legamabiente-dossier/
https://ec.europa.eu/fpi/sites/fpi/files/20191108-2_en_act_part1_v3.pdf
https://www.congress.gov/117/bills/hr5525/BILLS-117hr5525ih.pdf
https://www.econstor.eu/bitstream/10419/271918/1/cesifo1_wp10274.pdf