Science news articles about 'air pollution standards'

... — The Obama administration announced a new air pollution standard Friday that would bring about a 20% reduction in microscopic particles of soot emitted ...

... . "Ships are really unregulated when it comes to air pollution standards. What we wanted to find out was the contribution of ships to the air pollution in San Diego. And what we found was a surprise ...

... used those and related studies as the basis for tightening air pollution standards in 1997. The latest study evaluated the impact of resulting decreases in particulate pollution ...

... , according to the report. "California's failure to meet air pollution standards causes a large amount of expensive ... used records from air pollution agencies and hospitals to estimate how failing to meet federal and state standards ...

... .California's authority to enact automotive air pollution standards that are stricter than federal law has withstood legal challenge after a U.S. Court of Appeals ...

The UK government's continued failure to meet EU air pollution standards is cutting some people's life expectancy by two years, a report by MPs says.

China will introduce stricter air pollution standards next year to monitor tiny particles of pollution in Beijing and other cities, state news media reported Thursday.

WASHINGTON, April 9 (UPI) -- Environmental groups say the White House must reject attempts by the oil and gas industry to soften upcoming air pollution standards for natural-gas drilling.

Air Pollution: Standards will reduce hazardous emissions from chemical plants, refineries