This report comprehensively examines the application of greywater recycling in green buildings, addressing its significance in sustainable water management. It begins with an introduction to the global water scarcity issue and the role of green building practices in mitigating it. The literature review explores the categories of greywater (light and dark), its various uses such as flushing toilets, irrigation, and laundry, and the benefits of greywater recycling for green buildings, including reduced water consumption and environmental impact. The report further discusses different greywater recycling systems, including hand bucketing, diversion systems, and treatment systems. It highlights the drivers and opportunities for greywater recycling, such as increasing water scarcity and environmental concerns, while also addressing barriers to adoption. The methodology section outlines the approach used in the research. Overall, the report underscores the potential of greywater recycling as a vital strategy for conserving water resources and promoting sustainable building practices, emphasizing its positive impact on human life and the environment.
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