North America’s largest solar photovoltaic system is now running and generating power — about 30 million kilowatt-hours of electricity annually. The 14 megawatt power plant is at the Nellis Air Force Base in the sunny desert of southern Nevada. It’s expected to save about $1 million in power costs annually, and reduce carbon dioxide emissions… [Continue Reading]
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Ozone Generators: Effectively Deodorize Rooms and Purify Water
July 4, 2009 by
One of the simplest and most inexpensive ways to purify water is to bubble ozone through it. Ozone is a molecule made of three oxygen atoms ( O3). It disinfects water very effectively, through a process called oxidation. Ozone ruptures the cellular structure of organisms, killing them. It also oxides toxic organic chemicals, minerals and… [Continue Reading]
Bike-Friendly Coastal Towns In The Northeast
October 20, 2011 by Leave a Comment
Garnering the distinction of a bike-friendly coastal town in the Northeast is no easy feat. Roads along the New England coast are narrow with little to no shoulder let alone bike lanes and can get quite congested in the summer months. Rail trails are generally found more inland and don’t end on the shores of… [Continue Reading]
Electric Vehicles – Looking Back, Looking Forward At The Smithsonian
October 31, 2011 by Leave a Comment
Bet you didn’t know that an electric car was the nation’s best-selling vehicle back in ’04. 1904, that is. If you think the late 1990′s were the dawn of this technology, think again – electric vehicles have been around for over a century. A new display at the Smithsonian Museum of American History, part of… [Continue Reading]
Widely Available Low-VOC Paints
September 15, 2010 by 4 Comments
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… [Continue Reading]
Incredibly Slim, Versatile Loudspeakers Could Change The Face of Audio
April 28, 2009 by 5 Comments
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… [Continue Reading]
Should We Trust Online Companies With Our Intimate Details?
August 19, 2012 by 2 Comments
It has become the norm to trust large online corporations with intimate details of our lives. Is this really a good idea?
City Of Green Rings To Be Built In Korea
April 20, 2009 by 16 Comments
A Dutch architecture group MVRDV have won a competition to design a city center for Gwanggyo, a new city which could be built south of Seoul, Korea. The town is planned to be a self-sufficient city of 77,000 inhabitants.
Majority Of Americans Support Cleaner Energy: Yale Study
November 22, 2011 by 1 Comment
According to a recent study conducted by Yale and George Mason Universities, most Americans are firmly behind the development and implementation of cleaner energy technologies. The majority – across the political spectrum – would even support taxing carbon emissions to help reduce industrial pollution.
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