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Asia-Pacific Network for Global Change Research

Asia-Pacific Network for Global Change Research

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Guide to construct and install Green Roofs (GRs)

Green roofs (GRs) can be constructed by growing plants on a channel filled with suitable media, allowing the plants to grow. Wastewater can be passed through the media, and the plants will uptake the nutrients in the wastewater and purify it. GRs are one of the innovative architectural and urban development options based on sustainable development concepts that can increase urban green areas, improve environmental quality, and generate sustainable urban development. Additionally, GRs also improve building insulation and reduce cooling costs. To construct and install GRs, the following should be carried out systematically: (i) evaluate the public acceptance and relevant policies and governance, (ii) conduct a suitability study, (iii) select plants and growth media, (iv) construct the channel, fill with media and plant selected species, (iv) supply wastewater to the channel. One of the great applications of such GRs will be treating septic tank effluent, which is reaching the canals in Vietnam without much treatment and polluting the water bodies.

The guide complements a video that provides illustrations on the installation of green roofs and the outcomes of a trial conducted at Ho Chi Minh City University of Technology (HCMUT), Vietnam.

Watch the video at: https://www.youtube.com/watch?v=8NoFzaalCkM]