Pallets of bottled water are seen ready for distribution in a Flint, Mich., warehouse on Jan. 21. The warehouse is the emergency water supply for Flint residents affected by lead-contaminated water. Sarah Rice/Getty Images hide caption

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Grace Jerry performs her original single "E Go Happen" at a gathering of young African leaders at Montpelier, James Madison's home. The lyrics say: "Yes we can, sure we can change the world." YouTube hide caption

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The University of California's Nutrition Policy Institute has proposed that MyPlate include an icon for water. UC Division of Agriculture and Natural Resources hide caption

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Lynn Good has had many mentors throughout her career — but few of them were women. "So I'm generationally on the early part of the ascent of women into leadership roles," the Duke Energy president and CEO says. Pat Sullivan/AP hide caption

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Paul Herringshaw says farmers like him have been taking steps to reduce crop runoff for years. Sarah Jane Tribble/WCPN hide caption

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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. Mike Meadows/AP hide caption

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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 hide caption

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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. Wikimedia Commons hide caption

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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 hide caption

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Demonstrator China Starshine holds up signs outside of City Hall in Portland last week. Ross William Hamilton/The Oregonian/AP hide caption

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