The complete source for building, designing, and remodeling green homes
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Efficiency Is Still the Best Energy Deal
This post originally appeared at the ACEEE blog. New data by Lazard, a financial advisory firm, show that prices for renewable electricity declined again last year, continuing their downward trend.…
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Help for Thirsty Cities
This post is reprinted with permission from Ensia. In March, residents of Cape Town, South Africa stood in line for hours to buy drinking water at supermarkets or pump it…
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What Is ‘Green’ Dry Cleaning?
The winter holidays are a busy time for many businesses, including retail stores, grocers, liquor stores — and dry cleaners. People pull out special-occasion clothes made of silk, satin, or other…
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Saving Sustainably: Plumbing Rough-In
Editor’s note: This is one in a series of blogs detailing the construction of a net-zero energy house in Point Roberts, Washington, by an owner-builder with relatively little building experience.…
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The Fine Print on Energy Efficiency
Have you ever seen one of those big yellow cards on refrigerators, washing machines and other new appliances? These government-mandated notices indicate about how much energy the average U.S. consumer…
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Statistic of the Year: 90.5 Percent
This year, I served on the judging panel for The Royal Statistical Society’s International Statistic of the Year. On December 18, we announced the winner: 90.5 percent, the amount of…
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Climate Change Resilience Could Save Trillions
Is your city prepared for climate change? The latest National Climate Assessment paints a grim future if U.S. cities and states don’t take serious action to reduce greenhouse gas emissions.…
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The Promise and Unknowns of Hyperloop Transportation
This post originally appeared at Ensia. Deep in the heart of steel country on a balmy September morning, Cleveland City Council members, professors and non-profit leaders hopped out of their…
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After a Long Boom, an Uncertain Future for Big Dam Projects
This article first appeared at Yale Environment 360. The last few years have been turbulent for the global dam industry. In July, flooding caused a dam under construction in Laos…
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New Zero-Energy Homes Almost to Cost Parity
If you had a choice between building new homes that meet basic standards and building comfortable, healthy homes that dramatically cut energy bills, which would you prefer? How about if…
