Factor Four: Doubling Wealth, Halving Resource Use
Ernst von Weizsäcker, Amory B. Lovins and L. Hunter Lovins
When Morro Bay, California, was short of water in the late 1980s, what did the town authorities do? They told homebuilders, ‘If you want to build a new house here, then you must first save, somewhere else in town, twice as much water as your new house is going to use.’ How did the homebuilders then respond? Wanting permits, they “went door-to-door installing water-saving appliances in one-third of the town’s entire housing stock in the first two years,” narrate Ernst von Weizsäcker, Amory B. Lovins and L. Hunter Lovins in Factor Four: Doubling Wealth, Halving Resource Use.