Wide Angle: Tech Saving Water
Water is such a basic human need that it takes real ingenuity to find new ways to control, retrieve, purify and share this critical resource. In this wide angle, we'll look at the newest technologies, both low-tech and high-tech, being developed to wet our palate.
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Zap, They're Dead! New Water Filter Electrocutes Bacteria
The simple and inexpensive design makes it perfect for the developing world.
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Earth Day 2010 Guide
Your ultimate guide to all things green and good for the Earth. Go ahead...jump in, learn something new and make a difference!
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Biofuel's Water Problem
Irrigating biofuel crops on a grand scale would be disastrous.
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Texting Service Lets Waterways Communicate
The USGS just launched a nifty free and customizable service for water alerts so you can arrange to be texted when conditions are ideal for kayaking, or if a local river is flooding.
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Citizen Scientists Trawl for Ocean Plastic
Scientists are enlisting sailors to gather marine samples during voyages to test whether large amounts of plastic waste are getting suspended in oceans.
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Oil Spill Tech Used in Car Wash
A recycled PVC device inside a car wash's giant underground tanks provides filtration.
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Water: Stirred (With a UV Stick), not Shaken
The STER UV does a better job than boiling water of removing nasty bacteria and micro-organisms from water.
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Couple Makes Clean Water for the World
A trip to El Salvador inspires a husband and wife to build low-cost water purification units in their garage.
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Computer Chips Inspire New Water Purifier
A new device the size of a postage stamp could save millions of lives.
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Box Harvests Water in Driest Places
Blood from a stone? Try growing crops in water-poor areas where unpredictable weather can wreak havoc. Happily for cash-strapped farmers, a prototype device is managing to coax agricultural miracles out of the desert.
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Are Water Filters Worth It?
Even trace amounts of carcinogens can make people nervous -- enough to spur them into buying a water filtration system. Is it worth it?
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