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M: what did you do over the weekend? K: I went a global warming rally in London. It was fantastic to be around so many people who care about the environment. M: do you think there's anything we can do to reverse the damage that's been done already? K
Tesla unveils batteries to power homes US electric carmaker Tesla Motors has unveiled batteries that can power homes and businesses. Chief executive Elon Musk announced the firm would build batteries that store solar energy and serve as a back-up sys
A new report said investing in renewable energy would not only help reduce heat-trapping greenhouse gasses, but create a booming industry and help the global financial crisis. From Paris, Lisa Bryant has more on the report. The report from environme
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The Forgotten Renewable: Geothermal Energy Production Heats Up MICHEL MARTIN, HOST: We're going to hear now about a different natural resource - geothermal reservoirs. They are all across the American West, and they could be used to power millions of
JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams