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EnviroMission Plans Massive Solar Updraft Towers for Arizona
Posted By Ariel Schwartz On January 6, 2010 @ 12:52 pm In Solar Power | 23 Comments
Australia-based EnviroMission Ltd  recently announced plans to build two solar updraft towers that span hundreds of acres in La Paz County, Arizona. Solar updraft  technology sounds promising enough: generate hot air with a giant greenhouse, channel the air into a chimney-like device, and let the warm wind turn a wind turbine  to produce energy. The idea isn’t new — it’s been around since the mid 1980′s — but it’s only now starting to take off.
EnviroMission Ltd ‘s new initiative is not a small project by any means. The towers will each have 2,400 foot chimneys over a greenhouse measuring four square miles. For some perspective, that’s nearly as tall as the recently-completed Burj Dubai structure.
There’s still plenty of work to be done before the $750 million, 200 megawatt project can begin. The Southern California Public Power Authority recently approved EnviroMission as a provider, but solar updraft hasn’t yet been proven to be commercially viable. That means EnviroMission might have trouble raising enough cash to get started. Still, we’re excited at the prospect of a new tool in our alternative energy arsenal — the more options we have, the better.
+ EnviroMission 
Via Green Inc 
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 EnviroMission Ltd: http://www.enviromission.com.au/EVM/content/home.html
 Solar updraft: http://www.inhabitat.com/2008/09/10/solar-updraft-towers-in-namibia/
 wind turbine: http://www.inhabitat.com/tag/wind-turbine/
 Burj Dubai : http://www.inhabitat.com/2010/01/04/burj-dubai-opens/
 Green Inc: http://greeninc.blogs.nytimes.com/2010/01/06/new-life-for-solar-updraft-technology/
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