Elusive intermediate compound discovered in atmospheric chemistry

Physicists have identified a long-missing piece in the puzzle of exactly how fossil fuel combustion contributes to air pollution and a warming climate. Performing...

Optimal walking, cycling speeds to reduce air pollution inhalation

Cyclists should be riding at speeds between 12 and 20 kilometers per hour on city roads, while pedestrians should be moving at two to...

Indian roadside refuse fires produce toxic rainbow

The first toxicity measurements of roadside garbage fires in India highlight the unhealthy nature of a common practice, report researchers.

Air pollution linked to blood vessel damage in healthy young adults

Fine particulate matter air pollution may be associated with blood vessel damage and inflammation among young, healthy adults, according to new research.

World’s largest study shows effects of long-term exposure to air pollution and traffic noise...

Long-term exposure to air pollution is linked to a greater incidence of high blood pressure, according to the largest study to investigate the effects...

Semi-volatile organic compounds diffuse between atmospheric particles

Semi-volatile organic compounds can readily diffuse into the billions of tiny atmospheric particles that inhabit the air, easily moving among them, researchers have discovered....

Reducing ammonia pollution from cattle

Improved barn design, cleaning processes, and manure treatment could reduce ammonia emissions from commercial dairy cattle barns by 17 to 50%, according to a...

Wind patterns in lowest layers of supercell storms key to predicting tornadoes

Wind patterns in the lowest 500 meters of the atmosphere near supercell thunderstorms can help predict whether that storm will generate a tornado, report...

Calcium deficient fauna and brown water awaiting

Calcium deficient fauna, poor conditions for freshwater fish and mercury in the drinking water is the long-term consequences of acid rain in the 70's...

92% of the world’s population exposed to unsafe levels of air pollution

A new WHO air quality model confirms that 92% of the world's population lives in places where air quality levels exceed WHO limits. Some...

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The long memory of the Pacific Ocean

Cold waters that sank in polar regions hundreds of years ago during the Little Ice Age are still impacting deep Pacific Ocean temperature trends....

Study tracks waterbird use of Chicago-area wetlands

A three-year study in northeastern Illinois and northwestern Indiana found that -- even at small scales -- emergent wetlands or ponds support many wetland...

Human impact on solar radiation levels for decades

Based on the long-term Potsdam radiation time series, researchers have shown that variations in the intensity of sunlight over decades are down to ultra-fine,...

Mapping Tropical Forest Health with NASA Satellite Data

When assessing the world’s tropical forests, size isn’t the only thing that matters. NASA’s high-resolution satellite data now allow scientists to measure forest quality...