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Sustainable Housing and Green Building News - ENN





 



New USGS Filter Removes Phosphorus from Waste Water

Wed, 19 Jul 2017 08:48:00 EST

A tabletop water filter demo designed to remove phosphorus from waste water has in five-years grown into a fully functional water treatment system capable of filtering more than 100-thousand gallons per day.Designed by a small U.S. Geological Survey team, this cost-effective and environmentally friendly water filter system uses discarded mining byproducts, called mine drainage ochre, as the primary filtering agent to remove phosphorus from municipal and agricultural waste waters.(image)



Scientists Design Solar Cell That Captures Nearly All Solar Spectrum Energy

Thu, 13 Jul 2017 14:38:00 EST

A SEAS researcher helped develop technology that could become the most efficient solar cell in the world.(image)



Could concrete help solve the problem of air pollution?

Mon, 10 Jul 2017 12:48:00 EST

Study indicates concrete construction waste can help rid the air of sulfur dioxide, a major pollutant.(image)



When the rubber hits the road: Recycled tires create stronger concrete

Thu, 15 Jun 2017 08:13:00 EST

UBC engineers have developed a more resilient type of concrete using recycled tires that could be used for concrete structures like buildings, roads, dams and bridges while reducing landfill waste.The researchers experimented with different proportions of recycled tire fibres and other materials used in concrete—cement, sand and water—before finding the ideal mix, which includes 0.35 per cent tire fibres, according to researcher Obinna Onuaguluchi, a postdoctoral fellow in civil engineering at UBC.(image)



Are Bidets More Environmentally Friendly Than Toilet Paper?

Wed, 31 May 2017 07:23:00 EST

While bidets remain unpopular in America, they’re a familiar fixture in bathrooms all over the world. And they raise an inevitable question: Is it better for the environment if you wipe, or should you wash instead?The answer may surprise you — and could lead you to rethink your next bathroom remodel.(image)



Rooftop Solar Panels Are Great for the Planet—But Terrible for Firefighters

Tue, 30 May 2017 10:40:00 EST

When first responders arrived to the burning home on Eugene Street in Manchester, New Hampshire just after 2 am on January 27, half the home was already up in flames. It was a big fire, but relatively routine: Working in the dark, the firefighters made sure the two residents got out unharmed, and got to work.(image)



Why Don't Green Buildings Live Up to Hype on Energy Efficiency?

Thu, 25 May 2017 10:12:00 EST

Not long ago in the southwest of England, a local community set out to replace a 1960s-vintage school with a new building using triple-pane windows and super-insulated walls to achieve the highest possible energy efficiency. The new school proudly opened on the same site as the old one, with the same number of students, and the same head person—and was soon burning more energy in a month than the old building had in a year.(image)