Water Efficiency

Significant Figures by Peter Gleick

Category archives for Water Efficiency

It is time to recognize the serious California drought for what it is: a bellwether of things to come; a harbinger of even more serious challenges to California water resources allocation, management, and use. The drought could end next month. It could go on for more years. But it will not be the last drought…

California has a “Mediterranean” climate, which means that each year it has a concentrated rainy season, followed by a long temperate and dry period. California’s rainy season typically runs from early October to late March, with very little precipitation outside of these months. (Figure 1 shows the average monthly rainfall for California.) It is now…

In the 20th century, water policy seemed easy: figure out another source of water to satisfy some projected demand, and find the money to build it. The money was almost always federal “pork barrel” funding for big water projects, or occasionally state bond financing. The vast number of dams built in the United States (see the…

The Colorado River, recently named America’s most endangered river, supports millions of people in the American Southwest and northwest Mexico and helps irrigate millions of acres of land. It is shared by seven states in the U.S. and Mexico, through a complex series of legal agreements and treaties. Yet every drop of water on the river…

World Water Day 2013

Some thoughts for today: the bad news and good news for World Water Day. [First, I think every day should be World Water Day, not just March 22nd, but hey, that’s just me.] Stop taking your tap water for granted. Go to your tap, draw a glass of water, and drink it. Then remember that…

Here is the second in what will be a series of posts on how little things like changes in technology we take for granted, or simple behaviors, can have a big impact on water use. The first looked at turning off the water when you brush your teeth: a seemingly trivial thing. It turned out…

The Pacific Institute has done extensive and groundbreaking research over the past 25 years on a wide range of water, climate, energy, and environmental issues. One focus has been on how to use water more efficiently to do the things we want to do – a focus on “efficiency” and “productivity” – not deprivation. Society could…