<https://www.ilsole24ore.com/art/ambiente-quando-inquinare-sono-grovigli-leggi-e-burocrazia-ACbiwyK>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ilsole24ore.com/art/ambiente-quando-inquinare-sono-grovigli-leggi-e-burocrazia-ACbiwyK>