A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.
Jan 23, 2012
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It seems that the energy mix of the future will have to differ from the current suggestions of some visionaries. This is because the jet streams that sweep the upper atmosphere with high winds would yield ...
Dec 12, 2011
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(AP) -- Brighten clouds with sea water? Spray aerosols high in the stratosphere? Paint roofs white and plant light-colored crops? How about positioning "sun shades" over the Earth?
Dec 02, 2011
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Solar radiation management is a class of theoretical concepts for manipulating the climate in order to reduce the risks of global warming caused by greenhouse gasses. But its potential effectiveness and risks are uncertain, ...
Oct 26, 2011
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Research on geoengineering appears to have broad public support, as a new, internationally-representative survey revealed that 72 per cent of respondents approved research into the climate-manipulating technique.
Oct 24, 2011
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A German satellite the size of a car re-entered the Earth's atmosphere early Sunday, officials said, adding they did not know yet if any debris had hit the Earth.
Oct 23, 2011
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(PhysOrg.com) -- Radiation risks to airplanes and spacecraft are likely to increase when the Sun moves from its present grand solar maximum to lower levels of activity, says research from the University of ...
Aug 16, 2011
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A new study sheds light on why the Sun's outer atmosphere, or corona, is more than 20 times hotter than its surface. The research, led by the National Center for Atmospheric Research (NCAR), may bring scientists a step closer ...
Jul 27, 2011
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Decisions by farmers to plant on productive land with little snow enhances the potential for reforestation to counteract global warming, concludes new research from Carnegie's Julia Pongratz and Ken Caldeira. Previous research ...
Jul 26, 2011
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Some 50 miles up in the sky begins a dynamic region of the atmosphere known as the ionosphere. The region is filled with charged particles created by extreme ultraviolet radiation from the sun. At the base ...
Jul 05, 2011
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The Sun unleashed an M-2 (medium-sized) solar flare, an S1-class (minor) radiation storm and a spectacular coronal mass ejection (CME) on June 7, 2011 from sunspot complex 1226-1227. The large cloud of particles ...
Jun 07, 2011
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An unusual solar flare observed by a NASA space observatory (video) on Tuesday could cause some disruptions to satellite communications and power on Earth over the next day or so, officials said. ...
Jun 07, 2011
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(PhysOrg.com) -- Conversion to renewable energy sources like wind and sun is only a question of time. Because wind and solar radiation vary in strength, the increase in renewable energy sources will cause ...
Jun 07, 2011
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Early Earth lacked an ozone layer to act as a shield against high-energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radiation levels. ...
Mar 24, 2011
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(PhysOrg.com) -- Earth’s climate continues to change at a rapid pace. Last week, NASA announced that 2010 was tied as the warmest year on record. Likewise, the last decade was the warmest in the 130-year ...
Jan 20, 2011
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