green certification
noun[U]
ENVIRONMENT,LAWukusasystemofcheckingbuildingstoseethat they arebuiltandoperatein a way thatprotectsthenaturalenvironment, and theofficialdocumentsthat show this:
Somecitiesnowrequirethat allpublicbuildingsachievegreencertification.
There are differentlevelsofgreencertification.