In 2016 the city of córdoba in argentina issued a bylaw that directed all rooftops new or existing of more than 1 300 square feet to be turned into green roofs.
Green roof bylaw.
Toronto now that the city of toronto has passed a green roof bylaw new building developments of certain sizes will be required to build green roofs in the coming months.
The same year san francisco.
Has taken a voluntary stance in support of this bylaw yesterday unveiling a new 704 square metre green roof atop of its head office building in toronto.
Green roofs are required on.
The requirement ranges from 20 60 of the available roof space of a building.