Estimate what's the value to society if you just leave the water in the river
University of Arizona researcher says diverting the Colorado River from flowing all the way to the Gulf of California costs $2.4 billion per year.
When Colorado River water is diverted for human uses such as agriculture or drinking water, there's a hidden cost to society, Flessa said.Flessa's calculation reflects the loss of benefits the river originally provided, including natural flood control, natural wastewater treatment and providing nursery areas for fish and other marine organisms.
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