Greenworksscore 8/20
Certificaat/label
EMAS: UNI EN ISO 14001 en ISO 9001. LEED , ANAB (Association of sustainable architecture), Lid UNESCO Heritage Italian cities, CERTIQUALITY UNI EN 14411, NF UPEC CSTB FRANCE, B-ZUS-TSUS-EMI EASTERN EUROPE, CCC CHINA.