February 23, 2012
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Energy & Renewables Newsletter February 23, 2012 |
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| This Week´s Featured News Stories |
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Energy star leaders achieve president Obama’s energy efficiency goal for buildings
The Environmental Protection Agency (EPA) announced that nearly half of the organizations recognized as Energy Star Leaders have improved the energy efficiency of their building portfolios by 20 percent or more. Last year, President Obama announced a nationwide call to action to improve the energy performance in buildings across the nation by 20 percent by 2020. EPA’s Energy Star program has helped these 90 leading organizations achieve the President’s goal by providing them with a proven energy management strategy, which includes a focus on ongoing performance measurement and whole-building ... | ||
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Idea could lead to cheap solar cells using plant waste
Remote communities could eventually make their own solar cells using waste vegetation, thanks to a design developed by researchers in Switzerland and the United States.The technology is inspired by photosynthesis. In plant cells, sunlight separates electrical charges with almost 100 per cent efficiency.Electrical charges must also be separated to create currents in solar cells. For the past decade, researchers have attempted to make solar cells by extracting some of the molecules responsible for photosynthesis — known as photosystem-I (PS-I) — from plants to produce an electric current ... | ||
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