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Tracking the 'evolution' of nanoparticles as they decontaminate groundwater

(PhysOrg.com) -- Engineers use advanced imaging techniques to examine bimetallic materials that have remediated more than 50 toxic waste sites.

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Turning off the air conditioning helps save fuel: Swiss study

Automobile air conditioning systems do not run "free of charge". In fact in the hot parts of the world they can account for up to thirty per cent of fuel consumption. Even in Switzerland, with its...

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Studies confirm presence, severity of pollution in national parks

Toxic contamination from pesticides, the burning of fossil fuels, agriculture, industrial operations and other sources are a continuing concern in national parks of the West, two new studies confirm.

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Many urban streams harmful to aquatic life following winter pavement deicing

The use of salt to deice pavement can leave urban streams toxic to aquatic life, according to a new U.S. Geological Survey study on the influence of winter runoff in northern US cities, with a special...

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Could air travel be linked to deaths on ground?

The atmosphere is full of natural and man-made chemicals, including emissions from fuel combustion and byproducts of living organisms. Many of these chemicals combine in the atmosphere to form tiny...

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New research questions hydroelectric emissions

Scientists have found that some reservoirs formed by hydroelectric dams emit more greenhouse gases than expected, potentially upsetting the climate-friendly balance of hydroelectric power.

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Scientists look deeper for coal ash hazards

(PhysOrg.com) -- As the U.S. Environmental Protection Agency weighs whether to define coal ash as hazardous waste, a Duke University study identifies new monitoring protocols and insights that can help...

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Scientists identify new concerns for antibiotic resistance, pollution

When an antibiotic is consumed, researchers have learned that up to 90 percent passes through a body without metabolizing. This means the drugs can leave the body almost intact through normal bodily...

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Virus killer gets supercharged

A simple technique to make a common virus-killing material significantly more effective is a breakthrough from the Rice University labs of Andrew Barron and Qilin Li.

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Review confirms benefits of outdoor exercise

A systematic review carried out by a team at the Peninsula College of Medicine and Dentistry has analysed existing studies and concluded that there are benefits to mental and physical well-being from...

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Overfertilizing corn undermines ethanol

Rice University scientists and their colleagues have found that when growing corn crops for ethanol, more means less.

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Batteries for the future

One of the most important decisions facing designers of plug-in electric or hybrid vehicles is related to battery choice. Now, researchers at the Norwegian University of Science and Technology (NTNU)...

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SequesTech: A novel process to capture and mineralize flue gas carbon dioxide

(PhysOrg.com) -- A process that directly captures flue gas carbon dioxide from the combustion process and holds it has earned a patent for the University of Wyoming.

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Cadmium selenide quantum dots degrade in soil, releasing their toxic guts

Quantum dots made from cadmium and selenium degrade in soil, unleashing toxic cadmium and selenium ions into their surroundings, a University at Buffalo study has found.

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Testing of seafood imported into the US is inadequate

Finfish, shrimp, and seafood products are some of the most widely traded foods and about 85 percent of seafood consumed in the U.S. is imported. A new study by researchers from the Johns Hopkins Center...

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Alternative jet fuels cut particulate matter emissions

Conventional jet fuel mixed with alternative fuels has been shown to cut particulate matter emissions from a plane's engine by nearly 40 percent, according to a recent study by researchers at Missouri...

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Reduction in US carbon emissions attributed to cheaper natural gas

In 2009, when the United States fell into economic recession, greenhouse gas emissions also fell, by 6.59 percent relative to 2008.

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Electricity from trees

Plants have long been known as the lungs of the earth, but a new finding has found they may also play a role in electrifying the atmosphere.

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Nano-pesticides: Solution or threat for a cleaner and greener agriculture?

Research is urgently needed to evaluate the risks and benefits of nano-pesticides to human and environmental health. Melanie Kah and Thilo Hofmann from the Department of Environmental Geosciences of...

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New biofuel process dramatically improves energy recovery

A new biofuel production process created by Michigan State University researchers produces energy more than 20 times higher than existing methods.

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