The vast reservoir of carbon stored in Arctic permafrost is gradually being converted to carbon dioxide (CO2) after entering the freshwater system in a process thought to be controlled largely by microbial activity.
Environment
Aug 21, 2014
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(Phys.org) —Aerosols, tiny particles in the atmosphere, play a significant role in Earth's climate, scattering and absorbing incoming sunlight and affecting the formation and properties of clouds. Currently, the effect ...
Earth Sciences
Aug 4, 2014
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(Phys.org) —Every day, above our planet, five Earth-observing satellites rush along like trains on the same "track," flying minutes, and sometimes seconds, behind one another. They carry more than 15 scientific instruments ...
Earth Sciences
Jul 4, 2014
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In dense, urban centers around the world, many people live and work in dim and narrow streets surrounded by tall buildings that block sunlight. And as the global population continues to rise and buildings are jammed closer ...
Optics & Photonics
Apr 14, 2014
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Sunlight plus a common titanium pigment might be the secret recipe for ridding pharmaceuticals, pesticides and other potentially harmful pollutants from drinking water. Scientists combined several high-tech components to ...
Nanomaterials
Mar 16, 2014
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By replacing platinum with molybdenum in photoelectrochemical cells, scientists from two EPFL labs have developed a cheaper and scalable technique that can greatly improve hydrogen production through water splitting as a ...
Materials Science
Jan 8, 2014
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Residents of a remote village nestled in a steep-sided valley in southern Norway are about to enjoy winter sunlight for the first time ever thanks to giant mirrors.
Energy & Green Tech
Oct 27, 2013
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The National Institute of Advanced Industrial Science and Technology (AIST; President: Ryoji Chubachi) and Sumitomo Chemical Co., Ltd. (Sumitomo Chemical; President: Masakazu Tokura) have developed a novel energy-saving, ...
Nanomaterials
Jul 24, 2013
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Sharp Corporation has achieved the world's highest solar cell conversion efficiency of 44.4%, using a concentrator triple-junction compound solar cell. These solar cells are used in a lens-based concentrator system that focuses ...
Energy & Green Tech
Jun 14, 2013
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A new study has found that pollution from fine particles in the air – mainly the result of burning coal or volcanic eruptions – can shade corals from sunlight and cool the surrounding water resulting in reduced growth ...
Environment
Apr 7, 2013
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