News tagged with waste
Valuable, rare, raw earth materials extracted from industrial waste stream
Dec 15, 2009 |
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Fierce competition over raw materials for new green technologies could become a thing of the past, thanks to a discovery by scientists from the University of Leeds.
'Rock-breathing' bacteria could generate electricity and clean up oil spills
Dec 14, 2009 |
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A discovery by scientists at the University of East Anglia (UEA) could contribute to the development of systems that use domestic or agricultural waste to generate clean electricity.
Lithium to be extracted from geothermal waste
Dec 14, 2009 |
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(PhysOrg.com) -- A technique developed by a Californian company, Simbol Mining, will enable the valuable mineral lithium, widely used in high-density batteries, to be reclaimed from the hot waste water produced ...
Vermicompost from pig manure grows healthy hibiscus
Dec 10, 2009 |
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Vermicomposting, the practice of using earthworms to turn waste into nutrient-rich fertilizer, can be an economical, organic waste management practice. During vermicomposting, earthworms and microorganisms stabilize organic ...
Making sense of greenhouse gas accounting
Nov 30, 2009 |
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Waste management is increasingly gaining the recognition that it deserves as a major contributor to mitigating climate change. But with at least four different methods of accounting for greenhouse gas (GHG) emissions currently ...
America's increasing food waste is laying waste to the environment
Nov 25, 2009 |
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Food waste contributes to excess consumption of freshwater and fossil fuels which, along with methane and carbon dioxide emissions from decomposing food, impacts global climate change. In a new paper published in the open-access, ...
Crashing the size barrier
Nov 18, 2009 |
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Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...
Turning heat to electricity... efficiently
Nov 18, 2009 |
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(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
'Catastrophic' e-waste fuels global toxic dump
Nov 13, 2009 |
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A "catastrophic accumulation" of dozens of millions of tonnes of "e-waste" from computers, cellphones and television sets is fuelling a global pile of hazardous waste, an international body warned Friday.
Electronic Waste Needs to Go Green
Nov 10, 2009 |
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(PhysOrg.com) -- Americans love their consumer electronics, but what happens to all the gadgets when their useful life is over? Despite being one of the largest generators of "e-waste" in the world, the U.S. has no federal ...
Green heating and cooling technology turns carbon from eco-villain to hero
Nov 10, 2009 |
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Carbon is usually typecast as a villain in terms of the environment but researchers at the University of Warwick have devised a novel way to miniaturise a technology that will make carbon a key material in ...
Organic weed control options for highbush blueberry
Nov 04, 2009 |
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Research scientists at Nova Scotia Agricultural College have been working steadily to find effective organic methods to control weeds in cultivated blueberry crops. One resulting study, published in a recent ...
Sandia announces completion of mixed waste landfill cover construction
Nov 03, 2009 |
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The Environmental Restoration Project at Sandia National Laboratories reports the successful construction of an alternative evapotranspirative cover at the Mixed Waste Landfill (MWL) in September. The 2.6-acre ...
The future of electricity may be found in environmentally-friendly, thermoelectric cells
Oct 14, 2009 |
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The Air Force Office of Scientific Research and the National Science Foundation are funding research that may result in a military turbine aircraft that for the first time ever will produce its own electricity from exhaust ...
US army to be powered by waste
Oct 12, 2009 |
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(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.
