"Green walls" against air pollution

(Phys.org)—Planting vegetation along streets in the city might reduce air pollution better than assumed so far, that is by up to 30 percent instead of one to two percent. This finding was made by Dr. Thomas Pugh, now working ...

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.

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 University of Science ...

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) have used a life cycle ...

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 investigators more ...

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 solid and liquid particles ...

Rare Minerals Supplies: No Need for Panic

(PhysOrg.com) -- Alarming media reports have raised concern about U.S. dependence on foreign sources of rare minerals that are critically important in military applications and emerging industries. But there is no need to ...

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