(d) 最大限度地减少残余生活废物，为此建造一个生活废水处理厂，以清洁和回收 100%北楼的废水以用于灌溉，从而优化淡水资源的使用；
(d) To minimize the residual sanitary waste by implementing a sanitary water treatment plant that would allow cleaning and reuse of 100 per cent of the wastewater from the North Building for irrigation purposes, optimizing the use of freshwater resources;