The role of bacteria in weather events

Researchers have discovered a high concentration of bacteria in the center of hailstones, suggesting that airborne microorganisms may be responsible for that and other weather events. They report their findings today at ...

African smoke-cloud connection target of NASA airborne flights

Over the southeast Atlantic Ocean, a 2,000-mile-long plume of smoke from African agricultural fires meets a near-permanent cloud bank offshore. Their meeting makes a natural laboratory for studying the interactions between ...

Dust in the wind: Forecasting storms with AI

Dust storms are not only a nuisance for anyone trying to keep their house spick and span, they also pose a very real health hazard and are a major ecological concern. Respiratory problems caused by breathing in dust and other ...

Cloud composition cliffhanger at point reyes national seashore

Turns out, polluted air from San Francisco is not the culprit. It's a thermal trough pushing north from Arizona. In a surprise result, scientists found that this weather pattern significantly affects the chemistry of fog ...

Climate change from black carbon depends on altitude

Scientists have known for decades that black carbon aerosols add to global warming. These airborne particles made of sooty carbon are believed to be among the largest man-made contributors to global warming because they absorb ...

Warming climate means harsher smog season for California

(PhysOrg.com) -- Rising temperatures from climate change will increase ozone levels in California’s major air basins, according to a new report to the California Air Resources Board from scientists at UC Davis and UC Berkeley.

NASA to launch newest Earth-observation satellite

(AP) -- NASA is set to launch its latest Earth-orbiting satellite on a $424 million mission to analyze airborne grit spewed by volcanoes, forest fires, smokestacks and tailpipes.

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