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Harvesting Water from the Sky in Mexico City

Faced with chronic water shortages, many residents of Mexico City aren’t waiting for the city government to fix things. They’re turning to the sky. Ari Daniel Shapiro reports on the growing practice of rainwater harvesting. The Ajusco district at the southern edge of Mexico City is part of Mexico’s surging capital, but you would never […]

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“World’s Greenest Office Building”

Seattle’s Bullitt Center is being heralded as the greenest, most energy-efficient commercial office building in the world. It’s not that the six-story, 50,000-square-foot building is utilizing never-before-seen technology. But it’s combining a lot of different existing technologies and methods to create a structure that’s a showpiece for green design–and a model for others to follow.

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Innovative schemes to work with water rather than against it (UK)

FLOODING has inundated 7,320 properties around the country this year, including nearly 1,900 in recent weeks. Models predict that the climate will get wetter, with more intense downpours in winter, putting more houses and businesses at risk. The damage is estimated at some £1.1 billion ($1.8 billion) a year. As floods grow more frequent, and […]

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South Africa-Lesotho water deal unfair?

South Africa has been accused of putting undue pressure on a weak government to extract an unfair deal. Controversy continues to stalk the bilateral Lesotho Highlands water scheme because Lesotho’s new coalition government wants to scrap “prejudicial” sections of the country’s agreement with South Africa governing the construction of the proposed R9-billion Polihali dam.

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South Africa’s winemakers use technology to cut power & water costs

South Africa’s wine producers are increasingly using modern wine-making technology in a bid to reduce power and water costs, says winemaker Johan Weidenman of Spruitdrift, in the Olifants River wine district. Weidenman said his winery had spent about R18m importing new grape-crushing machines from Germany. The machines reduced the process by at least three steps, […]

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Texas, USA: Saving Up for a Dry Day

AUSTIN, TEXAS — Last year, as a ferocious drought tightened its hold on Texas, John Kight, a landowner in the Hill Country west of here, was getting calls. Eleven years ago, Mr. Kight installed a rainwater harvesting system at his rural home, and as wells started to go dry around the state in 2011, other […]

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Some typical questions about Rainwater Harvesting

Check out these typical ‘frequently asked questions’ about rainwater harvesting and rain water tanks:

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Domestic water recycling in Israel should be encouraged

While boasting high wastewater treatment, a thriving desalination industry, Israel lacks in decentralized systems. While Israel’s authorities allow almost no decentralized water systems, experts stressed that there would be a place for such structures – particularly greywater recycling mechanisms – in the country’s future, at a conference in the Negev last week.

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Choose the right size plastic septic tank

Why choose a plastic septic tank? When designing a septic system, one of the most common questions asked is whether the septic tank should be concrete or plastic. Septic tanks, which store solid waste, are available in concrete, steel, fiberglass, and plastic.

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