Solar Is Hot! Well, Maybe Not
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Has Energy Conversion Devices managed to deliver on its promising potential? I don't think so.
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A startup promises to install solar panels on your roof for free, and sell you the power for pennies. Is it a revolution, or clean-energy vaporware? By Marty Graham.
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Is sun worship bad for you? Forget the sunscreen -- consider solar power.
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Exotic materials and cheaper substrates could lead to better photovoltaics.
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Some experts say that moving solar energy from niche to mainstream is unlikely without big breakthroughs.
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The five-decade quest for cheap solar power has produced an alternative energy that's still about four times more expensive than conventional electricity. But a group of local physicists, engineers and astronomers hope to be the first to break the cost barrier of solar energy.
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Real Goods Solar gets ready to join the mix.
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SCORCHING summers, hotter than that of 2003, could become more common in Europe by the middle of this century. The risk has more than doubled because of human activity producing increasing greenhouse gases in the atmosphere.
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A list of things about climate and energy that are not in dispute.
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Signs suggest solar power might be reaching a tipping point.
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The solar physics community is abuzz this week. No, there haven't been any great eruptions or solar storms. The source of the excitement is a modest knot of magnetism that popped up on the sun, possibly heralding the start of a new solar cycle.
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Something strange happened on the sun last week: all the sunspots vanished. This is a sign, say forecasters, that solar minimum is coming sooner than expected.
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Blog: It doesn't produce beer anymore, but the facility will accommodate a 200-kilowatt array of solar panels.
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These solar companies shine a light on their way to fast cash.
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Something strange happened on the sun last week: all the sunspots vanished. This is a sign, say scientists, that solar minimum is coming sooner than expected.
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As the summer swelters on, skyscrapers and apartments around the city will crank up air conditioners and push the city's power grid to the limit &#151; but some have found a cool alternative.
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If you've ever blistered your bare feet on a hot road you know that asphalt absorbs the sun's energy. A Dutch company is now siphoning heat from roads and parking lots to heat homes and offices.