Air Pollution

A coal-powered plant near Linfen, in Chinas Shannxi province, a city with some of the worlds worst air pollution. Credit: NurPhoto/Getty Air pollution kills. Fine particles produced by cars, industrial plants and numerous other sources are particularly dange…

Every Breath You Take Nicola Twilley, in her insightful piece about the overlooked dangers of indoor air pollution, writes that a very unhealthy designation for outdoor air is rare in the United States today (Home Smog, April 8th). This is true, but it is im…

Diesel exhaust is dirty, and a big contributor to the 4 to 7 million annual air pollution-caused deaths around the globe. Its intuitive, then, that any effort to clean that exhaust would be beneficial. But a new study suggests filtering diesel fumes might not…

One sunny summer day in 1943, a blue-brown haze descended upon the city of Los Angeles. It smelled like bleach, made people’s eyes sting and drove almost everyone indoors. It was so bad that some residents thought they were under a chemical warfare attack . …

Such a setup preserves the range and affordability that's expected of diesel long-haul trucks while significantly reducing the emissions associated with diesel. To boot, it's a near-term solution; no waiting for battery weight to fall or hydrogen refueling st…

Air pollution: what are the effects on humans?

India's main opposition Congress party vowed Tuesday to end abject poverty by 2030, hand cash to 50 million families and tackle the "emergency" of air pollution as it unveiled its election manifesto. Recent opinion polls, although notoriously unreliable, sug…