Category: solar

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Buying Green Power From Your Utility Vs. Going It Alone.

Dear EarthTalk: I’d like to know the relative electricity cost of utility scale solar and wind plants versus rooftop residential solar. In other words, how can I know whether to subsidize my utility’s alternative energy plant or renovate my own home? Making such a determination is complex, but you could start with In My Backyard,a [...]

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And The Winner Of The Solio Hybrid Solar Charger Is…

This latest giveaway is for a Solio Hybrid Solar Charger that charges up your small gadgets using only the power of the sun. BuyGreen was generous to provide one of these to give away to one lucky reader of The Good Human, and the time has come to announce the winner. Out of 53 emails, [...]

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Review & Giveaway: A Solio Universal Hybrid Solar Charger!

THIS GIVEAWAY HAS ENDED. Now how about this for a reader giveaway – a Solio universal hybrid solar charger! The good folks over at BuyGreen, who provide Green Standards that track the Source Material, Manufacturing, Use, and Disposal of all the products they sell, have offered to give away one of Solio’s solar chargers to [...]

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Solar Power Systems That Serve Entire Neighborhoods.

Dear EarthTalk: I know of solar power systems that people can put on their roofs to generate electricity or heat water. Are there systems that serve whole neighborhoods? Collective bargaining is a good strategy when looking to get the best price on a given product or service. Solar power is no exception, and dozens of [...]

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Solar Space Heater Made From Soda Cans & An Old Window.

Some of you may remember a post I wrote back on my birthday that offered a sneak peek of a top-secret project I have been working on in my garage, and asked you to guess what the picture might be. Well, the time has come to unveil more pictures of project timeline and all its [...]

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My New Homemade Solar Oven Modeled After The Kyoto Box.

So, on Friday you might remember I mentioned the Kyoto Box, which just won a $75,000 prize ideas to fight global warming. Well, it looked simple enough to build, which was the point, so I built one myself in a few hours this weekend. While I picked up an old window from a friend to [...]

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New User-Friendly Solar Dish Collects & Concentrates Solar Rays Efficiently.

A successful test has been carried out of a new prototype solar dish that concentrates solar rays by 1,000 times, creating what inventor Doug Wood has called “the most efficient solar collector in existence.” photo credit: Lui G The device is a 12-foot-wide dish made from thin, mirrored aluminum tubing and strips of mirrored glass. [...]