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New path to more efficient organic solar cells uncovered

2013-01-07 19:45:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: Why are efficient and affordable solar cells so highly coveted? Volume. The amount of solar energy lighting up Earth's land mass every year is nearly 3,000 times the total amount of annual human energy use. But to compete with energy from fossil fuels, photovoltaic devices must convert sunlight to electricity with a certain measure of efficiency. For polymer-based organic photovoltaic cells, which are far less expensive to manufacture than silicon-based solar cells, scientists have long believed...

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Austin, Texas Offering Organic Waste Pilot Collection (with video)

2013-01-07 18:57:00| Waste Age

The city of Austin, Texas, has begun a pilot program to collect organic waste from residents weekly and convert it to compost. read more

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