News tagged with renewable source

How affordable is alternative energy?

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 ...

dateAug 01, 2012 in Energy & Green Tech
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City heat from ancient mines

People living in Glasgow could get around 40% of the energy they need to heat their homes and businesses from tapping into the rocks and water in old abandoned mineshafts and other mine workings beneath the ...

dateJul 11, 2012 in Energy & Green Tech
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Making mirrors for the sun

With $1.5 million from the Department of Energy, University of Arizona researchers are continuing to improve groundbreaking technology to produce solar electricity at a price competitive with non-renewable ...

dateJul 06, 2012 in Energy & Green Tech
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More people, more environmental stress

Although it's long been suspected that human activity has greatly contributed to environmental stress, it's only recently that science has begun to show just how great a role that activity is playing.

dateJun 11, 2012 in Environment
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