Related topics: air pollution · pollution

Animal feed worse than traffic for San Joaquin Valley smog

A new study identifies cattle feed as a possible culprit in the long-standing mystery of why California's San Joaquin Valley — a moderately-populated agricultural region — has higher levels of ozone (one of the main ingredients ...

S.Korea issues warning against 'yellow dust'

South Korea's weather service Friday issued a warning against airborne pollution known as "yellow dust", advising residents in western areas to avoid outdoor activities.

Chemists discover ozone-boosting reaction

(PhysOrg.com) -- Burning of fossil fuels pumps chemicals into the air that react on surfaces such as buildings and roads to create photochemical smog-forming chlorine atoms, UC Irvine scientists report in a new study.

Scientists eye glowing volcano crater in Hawaii

(AP) -- The summit of Hawaii's Kilauea volcano is glowing brightly as molten lava swirls 300 feet below its crater's floor, bubbling near the surface after years of spewing from the volcano's side.

EPA sued over claims of air pollution in West

(AP) -- The U.S. Environmental Protection Agency was sued Friday by an environmental group that claims the agency has failed to safeguard public health in the West by not limiting the transmission of air pollution across ...

Oil and gas production a major source of Dallas-Fort Worth smog

The first comprehensive analysis of air emissions associated with natural gas and oil production in the Barnett Shale area finds that emissions can be a significant contributor to Dallas-Fort Worth smog formation, comparable ...

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