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Green LA Girl Joins MetaEfficient

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.

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Solar and Wind Powered StreetLights In Tokyo

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 …

Using Magnetic Levitation In Wind Turbines

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.