1.   But instead of concentrating on treating waste, research was needed into fundamentally cleaner processes that conserved water and reduced waste.

2.   By bacteriological process, human waste is reduced to a purified liquid suitable for discharge.

3.   The policy should help us achieve our objective of reducing paper waste.

4.   The third priority is to use it more efficiently by improving irrigation, reducing waste, and so on.

5.   Until the law was passed, the agency could only use gentle persuasion to get industries to reduce waste.

6.   We have been employed to look at ways of reducing waste.

7.   The packets are measured to reduce waste.

8.   The company has instituted several new policies with the goal of reducing waste.

9.   We need to find ways to reduce unnecessary waste.