Sustainable Water Use Refers To

Sustainable water use refers to:

A) acquiring water supplies for human consumption by using the best available technology such as building dams and constructing water diversion systems.
B) obtaining water from previously unusable sources of water by removing salt from seawater or salty groundwater.
C) the wise use of water resources, without harming the essential functioning of the hydrologic cycle or the ecosystems on which present and future humans depend.
D) conserving water by reusing and recycling water and improving water-use efficiency to augment water supplies