We are happy to announce that Siel Ju, noted green writer, will be joining MetaEfficient. Siel runs her own site Green LA Girl, and she has also written for Treehugger, Lime and Worldchanging.
Solar and Wind Powered StreetLights In Tokyo
January 30, 2008 by 4 Comments
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… [Continue Reading]
Optimal Green Instruction From Allison Rogers
December 6, 2007 by Leave a Comment
Recently, I was lucky enough to meet Allison Rogers, who is now working with the House of Representatives to Green the Capitol. Allison shared some of her optimal green techniques and knowledge with me. I am currently documenting some of her activities on TreeHugger. Later, she surprised me with an unusual but efficient organic… [Continue Reading]
Yamaha’s $2000 Electric Bike
August 13, 2007 by 2 Comments
This compact electric bike, the EC-02 from Yamaha, costs just under $2000. First introduced in Japan two years ago, the EC-02 is similar to the Enertia motorcycle I wrote about recently in TreeHugger. But this scooter has more modest specs: a top speed of 18 MPH and a range of 40 miles. So it’s more… [Continue Reading]
Using Magnetic Levitation In Wind Turbines
July 27, 2007 by Leave a Comment
Today, I wrote a post for TreeHugger about a company that is proposing to build a colossal magnetic levitation wind turbine. Magnetic levitation (or maglev) is an interesting technology that has been around for a while.
A Tofu Bear: Efficient
February 22, 2006 by 4 Comments
It’s a bear made out of tofu, and it feels like cashmere. Most bears are made with synthetic, petroleum-based materials. This one is spun with Soysilk, a by-product of tofu production. The bear has a home page and it’s available from Biltmore World Trade for $39. Story via Treehugger.
Flare Innovation: PowerFlare with LEDs
August 2, 2005 by 1 Comment
Invented by a police officer, PowerFlares are LED replacements for convetional flares. They have the advantage of not emitting toxic fumes or polluting the the ground. They also tend to cause fires, such as the one seen here. PowerFlares emit light in all directions, and can be seen for miles at night. Each unit is… [Continue Reading]
Modular and Sustainable Walkways
July 8, 2005 by Leave a Comment
There’s too much concrete in the world and most of it is unnecessary. Here’s one alternative that you may have seen at the beach: low-impact, modular walkways made out of sustainable timber. The company, Mister Boardwalk, even makes “roll out” walkways that simply roll out on top of grass, wood chips, sand, gravel or old… [Continue Reading]
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