This paper shows different examples from different countries (Italy, India and Tanzania) of green architectural solutions (green wall, green roof, roof wetland) in which water (rain and treated greywater) are reused as a resource, in order to reduce the use of drinking water for activities not needed a quality of water.
MASI, F. ; RIZZO A. (2015): Green architecture and water reuse: examples from different countries. In: Sustainable Sanitation Practice : Volume 23 , 4-10.