Green Roof Movement

Then we imagined what the city could be like if all of its roof space was green.

Green roof movement.

Toronto was the first city in north america to pass a green roof law in 2009 requiring new buildings or additions that are greater than 21 000 square feet to cover between 20 and 60 percent of. Green roofs for healthy cities mission is to develop and protect the market by increasing the awareness of the economic social and environmental benefits of green roofs green walls and other forms of living architecture through education advocacy professional development and celebrations of excellence. According to its survey toronto and chicago led the continent in 2016 with the addition of more than 600 000 square feet of green roofing followed by washington d c seattle and philadelphia. Modern green roof technology began in the early seventies in germany when the first green roof systems were developed and marketed on a large scale.

Green roofs have now been adapted by cities across the globe from toronto to seattle paris to singapore melbourne to basel. Green roofs for healthy cities grhc is the north american industry association for the green roof and wall sectors. Over the past 10 years the green roof movement has gone mainstream. Green roofs are already improving city life and providing habitat to plants and animals but there s an even better idea hiding below the surface.

Green roof for healthy cities a nonprofit green roof trade association reports the industry grew by 10 percent from 2015 to 2016. Grhc develops and protects the market by increasing the awareness of the economic social and environmental benefits of green roofs green walls and other forms of living architecture through education advocacy professional development and celebrations of excellence. This green roof can be described as a combination of an extensive and intensive roof and therefore is also called a hybrid roof. The international greenroof greenwall industry s resource and online information portal.

Unlike former green roofs this first approach offered reliable technology that provided sophisticated irrigation and protection against root ingress for rooftop gardens.