The blue-green algae is called cyanobacteria. It can release toxins that affect the liver and nervous system. Greg Allen/NPR hide caption

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'A Government-Sponsored Disaster': Florida Asks For Federal Help With Toxic Algae

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Pilot tests discovered high levels of lead in three water fountains at this school on Chicago's South Side. The fountains were shut down and replaced with water coolers. Cheryl Corley/NPR hide caption

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High Lead Levels Discovered In Chicago School's Drinking Fountains

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National Public Radio host, Michel Martin asks a question at the live performance of Martin's show, Going There at Colorado State University Tuesday May 24, 2016. The show was titled, " The Future of Water." V. Richard Haro/Richard Haro Photography hide caption

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A Conversation About The Future Of Water

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Villagers throw containers into a well to collect their daily supply of potable water after a tanker made its daily delivery in Shahapur, India, on May 13. India is in the midst of a drought. INDRANIL MUKHERJEE/AFP/Getty Images hide caption

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A Warming World Means Less Water, With Economic Consequences

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President Obama drinks a glass of filtered Flint water during a meeting with federal officials at the Food Bank of Eastern Michigan in Flint, Mich., on Wednesday. Daniel Mears/AP hide caption

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Michigan Gov. Rick Snyder says he and his wife, Sue, will drink filtered Flint water for the next 30 days to show the people of Flint that it is safe. Andrew Harnik/AP hide caption

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A Madison Water Utility Crew works to dig up and replace a broken water shutoff box in preparation for a larger pipe-lining project. Madison started using copper instead of lead pipes in the late 1920s. Cheryl Corley/NPR hide caption

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Avoiding A Future Crisis, Madison Removed Lead Water Pipes 15 Years Ago

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