Greening the ‘Fifth Facade’

As interest grows in reducing carbon footprints and finding new and sustainable ways to live, green roofs continue to grow in popularity.

Sourceable contributor Kristen Avis writes that there is an increased use of a building’s ‘fifth façade’ – the rooftop- and commercial developers are looking for ways to implement green infrastructure into their developments.

These rooftop gardens are also a great way to grow vegetables in the middle of cities, and have already been embraced by schools and restaurants.

South Australia has stipulated that all new and refurbished commercial buildings that have flat roofs must have a cool roof integrated into their designs before the development can be approved. Have a living roof reduces a building’s occupants’ reliance on artificial heating and cooling, thus reducing their demand on fossil fuels and energy.

As well as protecting those inside their buildings, green roofs reduce pollution and stormwater runoff outside as well.

Therefore, landscape architects have been found to be critical when it comes to reducing the effects of and slowing climate change through how green areas are used and what is planted.

They can also work to influence other architects to integrate green features into the built environment, such as green roofs, green walls and increase the energy efficiencies of buildings and developments.


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