eco-building
noun
ENVIRONMENT,PROPERTYukus[C]
abuildingthat has been made in a way that does notharmtheenvironment, forexamplebecause it is made withsustainablematerials(=onesthat willcontinueto beavailableand not all be used up)and usesnaturalenergyforheat, etc.:
Eco-buildings come in many differentforms.
[U]
theactivityof makingbuildingsthat do notharmtheenvironment:
Most of thestructureswill bebuiltbyvolunteerswhowanttolearntheartof eco-building.