Rooftop Wind Turbines Ready For Commercial Use

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. …

Amazing Green Building: The ACROS Fukuoka

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In Fukuoka City in Japan, they have an amazing building called “ACROS Fukuoka” with two very distinct sides: one side looks like a conventional office building with glass walls, but on the other side there is a huge terraced roof that merges with a park. The garden terraces, which reach up to about 60 meters above the ground, contain some …

100% Renewable Power For Durango City, Colorado

The city of Durango will soon be powered by 100% renewable energy (we believe that wind power will be used). Green power currently constitutes about 10% of city power purchases. The extra the city pays for green energy will add about $120,000 a year to its electrical bill officials said. But the extra cost will be offset by an energy …

New 3D Solar Cells Created

Recently, we featured some intriguing spherical solar cells from Japan. But now there’s an announcement that unique 3D solar cells have been created using nanotubes. The 3D solar cells capture photons from sunlight using an array of miniature “tower” structures that resemble high-rise buildings in a city street grid. The tower structures, which are about 100 microns tall, 40 microns …