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House backs bill to boost 'clean energy,' enhance efficiencySeptember 24, 2020
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California accepts petition to protect western Joshua treeSeptember 23, 2020
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Wyoming lauds US carbon capture study; utility skepticalSeptember 3, 2020
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U.N. chief urges India to quickly move to clean solar powerAugust 28, 2020
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Swiss team claims 1st jump, free fall from solar planeAugust 25, 2020