air quality

(Newser) - San Francisco Bay Area businesses could face major fines—the first ever imposed by a local government—based on the amount of climate-changing emissions they produce annually, the New York Times reports. The move, which the Bay Area Air Quality Management District could make official May 21, would skirt plodding...

(Newser) - Ignoring the recommendations of its own scientists, the Environmental Protection Agency yesterday reset standards for pollution-forming ozone from cars and factories at a level critics say may cost thousands of lives. The new cap is lower than the old level but still far above the limit urged by EPA experts,...

(Newser) - Officials in charge of air quality in Los Angeles and surrounding counties have banned the use of wood-burning fireplaces during certain high-pollution days. The fines would only be levied on about two dozen winter days, and wouldn't affect gas fireplaces, wood-burning ovens in restaurants, or homes above 3,000 feet,...