EntityQ16966036· pop 5· linked from 24 articlesmaterial efficiencySign in to savemetric which expresses the degree in which raw materials are consumed, incorporated, or wastedConnectionsnature conservationEntitysustainable food systemEntityClimate-smart agricultureEntitypower-to-XEntitySustainable urban drainage systemEntityenergyEntityaluminiumEntityInternational Standard Book NumberEntityrenewable energyEntitypollutionEntityendangered speciesEntitybiodiversityEntitydigital object identifierEntitysustainable developmentEntityInternational Standard Serial NumberEntityair pollutionEntitybiosphereEntityrecyclingEntitySustainable Development GoalsEntitybiofuelEntityCategoriesBuilding engineeringMaterial flowSustainable building