I don't understand how watering a lawn is considered wasting water? The water gets pumped up from an underground aquifer and sprinkled onto the lawn. The water then gets absorbed into the ground and eventually percolates it's way back down into the grounds aquifers. All that happens is that the water gets temperairly displaced before it eventually returns into the ground water system. Unless the water gets put into a capsule and is shot up into space, all water used remains inside the earths atmosphere where it eventually finds its way back into the water supply, nothing wasted.
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