Copenhagen Waste-To-Energy Plant Will Multi-Function As Ski Slope

by Tracy McGill •

Copenhagen residents will soon be able hit the slopes, not on a ski mountain, but on top of a waste-to-energy plant. Looking to replace their current 40 year old industrial plant, Amagerforbraending held an international competition and unanimously chose this ski slope design by Bjarke Ingels Group (BIG) in an effort to turn what is normally an eyesore into a …

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World’s Largest Solar Roof To Power High Speed Rail Station in China

by Tracy McGill •

Efficiency abounds in China as the world’s largest building integrated photovoltaic project prepares to power the railway station where some of the world’s fastest high speed trains pass through. China Sunergy, a solar cell and module manufacturer based in Nanjing, China, has recently signed a deal with CEEG (Nanjing) Solar Energy Research Institute to supply the 7MW solar modules for …

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Best Electric Bikes For 2012

by Tracy McGill •

Kalkhoff Electric Bike

The past year has seen an abundance of bike manufacturers entering into the electric bike arena with slick, lightweight and powerful bikes. Despite misconceptions, electric bikes allow commuters to increase their range safely and arrive to the office smelling fresh, while still getting exercise (yes, you still have to pedal an electric bike) and reducing their carbon footprint. They also …

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Portland Set To Build Innovative Pedestrian and Bike Bridge

by Tracy McGill •

Portland, Oregon continues to set the standard of being a bike and pedestrian friendly city by building a 700 foot bridge over Interstate 5 that will allow users to travel from the Lair Hill neighborhood to the South Waterfront District. The Gibbs Street bridge is only for walking and bike riding. Portland bike commuters will benefit from taxes paid by …

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3 Reasons Light Rail is an Efficient Transportation Option for U.S. Cities

by Tracy McGill •

Light rail is a type of electric railway that runs on right-of-way railroad tracks or on tracks in city streets. Using their own lanes and able to go anywhere, light rail cars mix well in urban settings by not getting caught up in traffic congestion. Though the United States operates the largest and most efficient freight railway system in the …

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7 Excellent Swap and Share Sites

by Tracy McGill •

Remember the 20th century when we were in a consumption frenzy? Terms like swap and share weren’t even on our radar. The economic downturn combined with our fundamental need to connect with others has started a swap and share movement that has been defined as Collaborative Consumption. Businesses are now using the efficiency of the internet and mobile technology to …

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Bike Books: A Review

by Tracy McGill •

biking-country

With the temperatures falling outside you may not be getting on your bike as much as you’d like, especially if you haven’t stocked up on your wool clothing. So it’s the perfect time to catch up on your reading. As bike popularity is exploding, so are the number of books written about the love and care of a bicycle. Whether …

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Widely Available Low-VOC Paints

by nicholas •

At Metaefficient, we try to only feature products that are toxin-free. Take interior paint, for example — how can a paint be considered “efficient” if it leaks toxic substances into your home for months or even years? According to the EPA, VOC-laden paint is a primary contributor to unhealthy indoor air, and it can significant impact your health. As anyone …

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Chicago Center For Green Technology: Sustainable Development Leader

by Benjamin Roman •

Great ideas for sustainable development sometimes just remain abstract concepts – that is, until they’re put into practice where they can serve as a showcase for their real potential.  Such was the case with Chicago’s Center for Green Technology, the country’s first LEED Platinum municipal building – and an inspiration for subsequent development both in Chicago and nationwide.

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Incredibly Slim, Versatile Loudspeakers Could Change The Face of Audio

by Justin Thomas •

Audiophiles have long been presented with an unending dilemma, pitting the need for sonic perfection against the desire to maintain a comfortable, aesthetic living environment (and happy spouse). This is usually a precarious balance, since the best-sounding speakers are often the largest and, dare we say, ugliest. While many technologies have addressed this dilemma in part, none have laid it …