0 a system of checking buildings to see that they are built and operate in a way that protects the natural environment, and the official documents that show this: --
Some cities now require that all public buildings achieve green certification.
There are different levels of green certification.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.