... and energy use. Through water efficiency measures, we can help to protect dry areas from drought, lower consumers’ utility bills, and reduce global warming pollution. For more information, please ... in economic savings, greater sustainability of our water infrastructure, and a reduction in global warming pollution. Water Efficiency Saves Energy: Reducing Global Warming Pollution Through ... Southern California, where enormous amounts of energy are required to import water. Recycled water can be delivered to users, usually at less cost than non-recycled water, for anything from...