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Italian Town Runs On 100% Renewable Power

by Justin Thomas •

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Varese Ligure, a town in Northern Italy, runs on 100% renewable power. The town uses a mix of wind, solar and small-scale hydropower. The town has reaped benefits from the energy network through added jobs, and an additional 350,000 euros [US $514,000] in revenues that are handed over to the council each year. Varese has also seen a six-fold increase …

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Nutrients: Essential Elements of Healthy Teeth

by Kristy Harvey •

Brush. Floss. See your dentist. We all know the basics of keeping our mouths healthy, but if you’re hitting the high points and still having trouble staying out of the dental chair, there could be a missing link in your overall dental health plan: nutrition. We all know that eating our fruits and veggies and cutting down on the sugar …

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Rooftop Wind Turbines Ready For Commercial Use

by Justin Thomas •

Note: Images and Video © Lucid Dream Productions Wind turbines designed to be installed on rooftops are generating a lot interest lately. These compact turbines can be located on top of buildings, or attached to other parts of large structures like bridges. In turns out, though, that installing wind turbine in a city environment is a bit of an art. …

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World’s Best Cat Litter

by Justin Thomas •

The self-proclaimed “World’s Best Cat Litter” may be able to live up to its name. Because it is made from whole kernel corn, the litter delivers great odor control. The microporous structure of corn provides a large surface area to trap and absorb ammonia and urine odors. We like it because it is biodegradable, comes from a renewable source, and …

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LED Grow Lights

by Justin Thomas •

A lot of readers expressed interest in using red and blue LEDs for hydroponic growing. These LED lights can be found at Amazon. It is, of course, more efficient to grow plants outside, but when this is not possible, LEDs are an efficient choice.

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The Best LED Desk Lamps Of 2015

by Justin Thomas •

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Best Overall: TaoTronics Elune Desk Lamp The TaoTronics Elune is priced at $50 and it is probably the best value LED desk lamp available. This lamp has 30 LEDs that shine with 450 lumens at full power. The lamp has a slide touch switch on the top that allows you to adjust the brightness to any one of 7 brightness levels. …

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GM And Segway Unveil Their Electric 2-Seater

by Justin Thomas •

Yesterday, GM and Segway unveiled an electric-powered urban vehicle called the Puma. The Puma seats two people, and is said to reach a top speed of 35 miles per hour. The vehicle can go 35 miles before needing a recharge. Larry Burns, vice president of research and development for GM, said it would cost about 35 cents to charge the …

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Unfolding Prefab: Holl House by Andrew Maynard

by Justin Thomas •

Andrew Maynard‘s Holl House starts off as a vertical column, then unlocks into a horizontal network of hinged structures. “How can the housing industry make exciting, well designed and cheap housing?” Maynard asks. “Easy, mimic the car industry.” “The dimensions of the basic module are dictated by the maximum dimensions available to be transported legally on Australian roads without permits.” …

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North America’s Largest Solar-Electric Plant Switched On

by Justin Thomas •

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 by 24,000 tons each year.

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AeroGarden: Easy, Efficient Indoor Gardening

by Justin Thomas •

In 2004, MetaEfficient.com pre-reviewed the AeroGrow aeroponics growing system. That was before the system was released. A couple of years ago, you couldn’t cut on your TV without seeing an ad for AeroGrow indoor gardening systems. It isn’t as ubiquitously advertised now, but it hasn’t disappeared from the market. In fact, five years after its initial release, there are several …