Infrastrutture verdi
Commissione Europea: Infrastrutture verdi
http://ec.europa.eu/environment/nature/ecosystems/
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2013:0249:FIN:IT:PDF
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Commissione Europea: Infrastrutture verdi
http://ec.europa.eu/environment/nature/ecosystems/
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2013:0249:FIN:IT:PDF