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• New Concentrated Solar Tech: Simple, Cheap and Efficient : CleanTechnica view story

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  • Submitted by fthead9
  • about 15 hours ago
  • (http://cleantechnica.com/2008/09/...)

  Their system uses a thin sheet of acrylic to concentrate sunlight 750 times. The sunlight is directed to a tiny cell on the edge of the plastic, greatly reducing the amount of material needed.

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• Green Cement is Carbon Neutral from Power Plants view story

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  • Submitted by ErnestHemingway
  • 2 days ago
  • (http://cleantechnica.com/2008/09/...)

  The Geological and Environmental Sciences Professor has invented a new type of cement that is carbon neutral—a huge innovation for a material whose production process normally spews vast amounts of CO2 into the atmosphere.

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• Tech Today or Tech Tomorrow? Energy Debate 2 : CleanTechnica view story

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  • Submitted by Winoria
  • 3 days ago
  • (http://cleantechnica.com/2008/09/...)

  Continued coverage of the energy debate hosted by "The Economist

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• One Company’s Way of Fighting Global Warming: Transforming CO2 Into Useful Products : CleanTechnica view story

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  • Submitted by WayneSmallman
  • 5 days ago
  • (http://cleantechnica.com/2008/08/...)

  California-based Carbon Sciences thinks the answer to our CO2 problem is calcium carbonate—specifically, the company has invented a process to convert CO2 into calcium carbonate that can be used in everything from cosmetics to ceramics...

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• Solar-Powered Plane Flies for 83 Hours, Doubles World Record view story

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  • Submitted by G8rrrry
  • 9 days ago
  • (http://cleantechnica.com/2008/08/...)

  Defense firm QinetQ has set the unofficial world record for the longest continuous unmanned flight with the Zephyr, a British-built spy plane.

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• New Study Says Commercial Carbon Capture Unlikely by 2020 view story

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  • Submitted by G8rrrry
  • 11 days ago
  • (http://cleantechnica.com/2008/08/...)

  Australian study predicts that clean coal technologies such as carbon capture and storage are unlikely to be commercially available before 2020.

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• Storage Key to Widespread, Affordable Renewable Electricity view story

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  • Submitted by G8rrrry
  • 13 days ago
  • (http://cleantechnica.com/2008/08/...)

  Large-scale use of renewable energy will require that it can adapt to variable levels of demand on the power grid. Energy storage allows that electricity output from renewable sources can be cranked up as needed instead of firing up a natural gas or oil p

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• Google Investing Over $10 Million in Geothermal Energy : CleanTechnica view story

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  • Submitted by eyanna7
  • 15 days ago
  • (http://cleantechnica.com/2008/08/...)

  Google.org, the philanthropic arm of Google, announced today that it is investing $10.25 million in an energy technology called Enhanced Geothermal Systems (EGS). The funding will also go towards geothermal resource mapping, information tools...

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• Wind Turbines and… Health? view story

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  • Submitted by Winoria
  • 18 days ago
  • (http://cleantechnica.com/2008/08/...)

  Some claim to suffer from infrasound exposure; regardless a buffer zone from homes is probably best.

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• 2 Large Solar Plants Planned in California view story

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  • Submitted by G8rrrry
  • 20 days ago
  • (http://cleantechnica.com/2008/08/...)

  In a landmark announcement today, Optisolar and the Sunpower Corporation said they plan to build 2 solar plants that will produce a total of 800 MW of power. During peak hours, the plants will produce as much energy as a small nuclear reactor or a large c

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