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Solar and Wind Powered StreetLights In Tokyo

by Justin Thomas •

We just wrote about the new LED streelights in Ann Arbor. Now we find these self-contained streetlights that generate 100% of their power from the sun and the wind. During the day, solar power is stored in a battery at the base of the light pole. At night, they illuminate while continuing to generate power via a small vertical-axis wind …

Glass LED Lamp: Rechargeable and Cordless

by Justin Thomas •

This “Rotondo” rechargeable lamp uses LEDs for illumination — it will run for about eight hours before it needs a recharge. The lamp is also water resistant and is made with mouth-blown parnaterraglas with a frosted finish. It will cycle through a spectrum of colors, and can be stopped when the hue you desire is reached. It’s available from Lightology …

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First U.S City To Be Lit With 100% LEDs: Ann Arbor

by Justin Thomas •

Solar Powered LED Street Light by Sharp

Ann Arbor is on its way to being the first U.S. city to light up its downtown with 100% LED-based streetlights. The city expects to install more than 1,000 LED streetlights beginning next month. The city anticipates a 3.8-year payback on its initial investment.

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The Best Low-Flow Showerheads

by Justin Thomas •

Low-flow showerheads are efficient. They can significantly reduce your household water consumption without a noticeable difference to your shower experience. The term “low flow” is generally defined as a showerhead with a water consumption rate of 0.5 to 2 gallons per minute (gpm). Here’s my review of what’s available:

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The Largest Building In The World To Be Green

by Justin Thomas •

Foster + Partners have just been granted preliminary permission to start construction on this volcano-shaped superstructure in Moscow, which will be dubbed “Crystal Island”. In terms of efficiency monolithic buildings like this seem unnecessary, but the proposed dimensions are amazing: it will be 1,500 foot tall with 26,909,776 foot squared of floor space, that’s enough room to house 30,000 people.

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The “Energy Plus” Building Produces All Its Own Power

by Justin Thomas •

The “Energy Plus” office building, to be located outside of Paris, is designed to produce all its own energy for heating, lighting and air conditioning. This zero-energy building, according to the designers, will be the greenest office building ever created. It will accomplish this by having more solar panels on its roof than any other building – producing enough energy …

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Review: The Best Flashlights (2008 Update)

by Justin Thomas •

Update: See our newer post The Best Flashlights Of 2009 What are the most efficient flashlights available today? We think LED-based flashlights are the only ones worthy of consideration. LEDs will shine longer than other bulbs, and can withstand shocks and temperature extremes. The best LED flashlights incorporate bright, high-quality LEDs with regulatory circuits that insure a consistent, long-lasting light. …

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The Tallest Wind Turbines In The U.S. Installed In Texas

by Justin Thomas •

The tallest wind turbines in the U.S. have been installed in Texas — the Vestas V90 turbines are 345 feet high, and are rated at 3 megawatts each. They are part of the 63 megawatt Snyder Wind Project, a wind farm that’s just been installed in western Texas.

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3 Megawatts Of Mirrored Solar In Spain

by Justin Thomas •

A company called SolFocus (which was spun out of Xerox Palo Alto Research Center in 2006) has started installation of a 3-megawatt solar power plant in southern Spain. SolFocus makes solar cells that use much less silicon than regular panels because they use lenses and mirrors to concentrate sunlight. The solar concentrators magnify sunlight 500 times, which according to the …

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Huge “Air Tree” Structure Produces Its Own Power and Oxygen

by Justin Thomas •

In Madrid, Spain they are currently building a huge structure called an “Air Tree” or “Eco Boulevard de Vallecas”. The Tree was created by Urban Ecosystem to be a social center, and to improve the surrounding environment. The structure is also completely self-sufficient, generating all its own power with solar cells. Any surplus energy is sold to the electrical grid. …