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Water Use Efficiency

The Power and Potential of Improving Water Efficiency: CaliforniaToilets

Peter H. Gleick | Posted 07.09.2015 | Green
Peter H. Gleick

Debates about water in California, the western U.S., and indeed, worldwide, have traditionally focused on the question of how best to further expand water supply to meet some hypothetical future increase in water demand.

United States Water Use Drops to Lowest Level in 40 Years

Peter H. Gleick | Posted 01.05.2015 | Green
Peter H. Gleick

The assumption that demand for water must inevitably grow is false. Let's start planning for the reality that a healthy economy and population can mean more sustainable, efficient, and equitable water use.

Solving California's Water Problems

Peter H. Gleick | Posted 08.10.2014 | Green
Peter H. Gleick

Now, halfway through the second decade of the 21st century, we've hit the wall. California is in a drought -- some call it the third year of a drought, but it could also be called the 10th dry year out of the last 13. Even if next year brings some relief, our water problems will remain.

Fixing the Colorado River: First Steps

Peter H. Gleick | Posted 07.10.2013 | Green
Peter H. Gleick

Demands on the Colorado River exceed the river's average supply, and this problem is projected to get worse as populations continue to grow and as climate changes increase temperatures and reduce runoff.

Mining Groundwater for Profit: The Cadiz Project

Peter H. Gleick | Posted 03.25.2012 | Green
Peter H. Gleick

If there were no adverse consequences of this kind of water mining, and if all that mattered was money, then perhaps using up this stock of water and turning it into a private good would make sense -- at least to the project owners.