US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.
Aug 17, 2012
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(Phys.org) -- Renewable energy technologies generally consist of two distinct processes: energy generation (using sources such as coal, solar, wind, etc.) and energy storage (such as batteries). These two ...
Aug 17, 2012
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Alternative energy sources that are cost-competitive with fossil fuels may be closer than most people realize. Recent renewable energy research has shown that solar, hydropower, wind and other alternative sources are closing ...
Aug 01, 2012
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A debate has raged in the past couple of years as to whether natural gas is better or worse overall than coal and oil from a global warming perspective. The back- and-forth findings have been due to the timelines taken into ...
Jul 18, 2012
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(Phys.org) -- Scientists at Trinity College Dublin, using a highly specialised crystallography technique have solved a large protein structure that will increase our understanding of energy generation and storage in cells. ...
Jul 18, 2012
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An independent report into a huge coal power station being built in energy-starved India on Tuesday called for construction to be halted immediately due to environmental damage.
Jul 03, 2012
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Sea waves are a renewable and inexhaustible resource found in abundance across the planet. But efficiently converting sea wave motion into electrical energy has been challenging, in part due to the difficulty of compensating ...
Jun 22, 2012
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For a country with so much sunlight, some might think Australia has been slow to adapt its electricity generation mix to include solar power. One of the main reasons for this is solar intermittency.
Jun 14, 2012
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Power from renewable energy sources is getting cheaper every year, according to a study released Wednesday, challenging long-standing myths that clean energy technology is too expensive to adopt.
Jun 06, 2012
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Biogas plants, combined heat and power plants don't just generate electricity, they also produce heat. However, unlike the electricity they yield, the heat generally dissipates unused. A new technology is ...
Jun 06, 2012
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Panasonic Corporation announced today that it will start in June mass-production of a compact, secure and long-life lithium-ion battery system the company has developed for European homes. This marks the first time for the ...
Jun 04, 2012
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Apple says its $1 billion data center in Maiden, N.C., will include a second large solar farm to help power the site entirely by renewable energy by the end of this year.
May 21, 2012
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Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence ...
May 13, 2012
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Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
Apr 27, 2012
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Siemens recently put two virtual power plants into operation. Virtual power plants are networks of several small power stations that are run like a single system. One of the new virtual power plants enables ...
Apr 27, 2012
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