DIY: Replacing the Water Grid With Rainwater

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"The Maltese have been storing rainwater in underground cisterns for centuries. On the small, rocky trio of islands in the Mediterranean, stored water was considered a strategic resource for times of siege. But today, most Maltese get there water from the public utility or from private boreholes, which tap a rapidly waning underground aquifer. Water treatment engineer and environmentalist entrepreneur Marco Cremona demonstrates how a few pumps, tanks, filters, and a couple of centuries-old cisterns allow him to satisfy all his family's water needs with rainwater. Check out the rest of the special report: Water vs Energy (http://spectrum.ieee.org/static/special-report-water-vs-energy)."

Water treatment engineer and environmentalist entrepreneur Marco Cremona demonstrates how a few pumps, tanks, filters, and a couple of centuries-old cisterns allow him to satisfy all his family's water needs with rainwater.

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