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Largest Modular Green Roof Installed: 2.3 Acres

by Justin Thomas •

The largest modular green roo, has been installed on top of the new “Court at Upper Providence” shopping center in Pennsylvania. The 2.3 acres green roof was constructed with GreenGrid modules. These modules are made with recycled plastic, and they contain small but hardly plants like sedums.

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New Record: World’s Largest Wind Turbine (7+ Megawatts)

by Justin Thomas •

clipper_wind_turbine_worlds_largest_75megawatts

The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most likely produce 7+ megawatts (or …

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The Best LED Desk Lamps

by Justin Thomas •

Update: We’ve posted a new review of the best LED Desk Lamps for 2009. LEDs really shine as reading lights and desk lamps. LEDs have a directed beam, so they do not disturb others when used as reading lights (in bed for example). LEDs also do not get hot to the touch, so there’s no risk of burns, or excess …

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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. …