Researchers study particulate matter in air samples

Current legal limits for fine dust in the air are based on the mass and size of the particles. For health effects, however, not only the amount of dust is decisive, but also its chemical composition. Empa researchers have ...

Exposure to wildfire smoke—5 questions answered

Wildfires once again are raging in California – this time in the Los Angeles area, where five fires are currently burning. The fast-moving Thomas fire alone has burned more than 65,000 acres in three days. State agencies ...

Study finds pollution is deadlier than war, disaster, hunger

Environmental pollution—from filthy air to contaminated water—is killing more people every year than all war and violence in the world. More than smoking, hunger or natural disasters. More than AIDS, tuberculosis and ...

Fine-particulate pollution: can we trust microsensor readings?

Last May, Paris City Hall launched "Pollutrack", a fleet of micro-sensors placed on the roofs of vehicles traveling throughout the capital to measure the level of fine particles present in the air in real time. A year early, ...

EPA OKs pollution controls on new diesel Jeeps, Ram pickups

U.S. regulators have blessed emissions controls on 2017 versions of Fiat Chrysler diesel trucks, allowing them to go on sale and potentially helping to resolve allegations that the company cheated on pollution tests.

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