How Scarce Does Water Need to Get Before It's Valuable?

Billions of dollars worth of water infrastructure upgrades are needed in the United States to stop major water losses each year. There will soon be too many people on this planet for everyone to consume as much water as they do today. Earlier this month, as U.S. newspapers warned of a drought-induced bacon shortage, international scientists cautioned that pending water shortages could result in food shortages of all kinds, urging people to eat fewer water-intensive foods (namely, meat).

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