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Friday, October 16, 2009

Low Tech White Roofs Save Energy

Sometimes the simple low tech approach can work very well .... simply painting a flat roof white can save energy.  This low tech solution " ... can act much like earth's snow covered poles; reflecting the sun’s light and heat as opposed to absorbing it ... keeps buildings cooler, reducing the problem of urban heat islands and saving energy (and money). ... we could counteract global warming simply by increasing the Earth’s total reflective surface. ..."

Via: WorldChanging LINK
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