Spring agricultural fires have large impact on melting Arctic

Scientists from around the world will convene at the University of New Hampshire June 2-5, 2009, to discuss key findings from the most ambitious effort ever undertaken to measure "short-lived" airborne pollutants in the Arctic ...

An advance in solving the mysterious machine-workers' disease

Scientists in Ohio are reporting a long-awaited advance toward making the workplace safer for more than one million machinists in the United States who may be exposed to disease-causing bacteria in contaminated metalworking ...

Mars Spacecraft Teams on Alert for Dust-Storm Season

(PhysOrg.com) -- Heading into a period of the Martian year prone to major dust storms, the team operating NASA's twin Mars rovers is taking advantage of eye-in-the-sky weather reports.

Study warns of pollution from ships

Thousands of merchant ships chug in and out of South Florida's bustling ports each year, bringing boatloads worth of economic benefit to the region.

Scientists offer new theory for largest known mass extinction

The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases changed the atmospheric composition so dramatically that vegetation was irretrievably ...

Lawsuit by a father in Indiana targets polluters

(AP) -- Ron Kurth, who grew up in Gary and worked in the steel mills, raised his family in the region near the outskirts of Chicago. He always wondered about the smoke and smog that overcast the Lake Michigan shoreline.

Pollution dims skies as well as befouling the air

A University of Maryland-led team has compiled the first decades-long database of aerosol measurements over land, making possible new research into how air pollution changes affect climate change.

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