sentences:  Water efficiency, while not yet a major priority in the agendas of governments, has been a growing concern.Global organizations like the World Water Council, the International Water Management Institute, and UNESCO have been promoting water efficiency alongside water conservation.The Alliance for Water Efficiency, Waterwise, the California Urban Water Conservation Council, and Smart WaterMark in Australia, and the WaterBucket in Canada are some non-governmental organizations that promote or support water efficiency at national and regional levels.