Paul Herringshaw says farmers like him have been taking steps to reduce crop runoff for years.
Sarah Jane Tribble/WCPN
August 8, 2014 Ohio farmers say they are not the only ones to blame for Toledo's polluted drinking water. They say they are using only as much fertilizer as they need to grow their crops.
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The UCLA campus was flooded last week after a 30-inch water main broke. The city of Los Angeles is on a 300-year replacement plan for its water system.
August 8, 2014 Recent water-related problems in Los Angeles and Ohio have put a focus on infrastructure. Many of the pipes in the U.S. are more than 100 years old and may not be replaced for another 100 years.
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Contaminated water can spread diseases like cholera and typhoid. A new project aims to provide water filters in the form of an educational book.
Soe Than Win/AFP/Getty Images
May 17, 2014 Improving access to clean water can reduce the spread of diarrheal diseases in developing countries. The "Drinkable Book" should help: It has water safety tips and each page works as a filter.
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Current water-filtering technology is costly, but MIT scientists are testing a simpler and cheaper method that uses wood from white pine trees.
March 5, 2014 Removing bacteria and other impurities from water could be done more cheaply thanks to researchers at MIT. They're taking advantage of the way trees move water to filter it.
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Scientists published the first global survey of the known undersea freshwater reserves. Water is relatively cheap now, but the reserves could be valuable if it becomes scarcer in the future.
Olivier Morin/AFP/Getty Images
December 11, 2013 Scientists think there are potentially valuable fresh groundwater reserves under the sea. There's more than all the water that was ever pumped up in the last century.
The Sweat Machine was unveiled as part of a UNICEF campaign promoting safe drinking water.
July 19, 2013 The new device, being used by UNICEF to promote safe drinking water, extracts moisture from worn clothes using a technique known as membrane distillation.
Demonstrator China Starshine holds up signs outside of City Hall in Portland last week.
Ross William Hamilton/The Oregonian/AP
September 12, 2012 Portland, Ore., is the largest American city not to add fluoride to its drinking water. Activists have been vocal, for and against a proposal to change that. The science shows that fears of side effects from small amounts of fluoride to protect teeth are unfounded.
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Pakistani boys collect water from a hand pump on the outskirts of Islamabad.
May 8, 2012 Adding dirt and salt can help make drinking water cleaner, and is far cheaper than fancy filtration systems for getting rid of harmful bacteria, scientists say. It just takes a little patience and the sun.
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