Air pollution can trigger heart attack (UPI) CHICAGO, July 22 (UPI) -- The polluted air of Beijing is not just a concern for Olympic athletes -- the air may trigger cardiovascular events in some spectators, a U.S. researcher says. [News Source]

Go nuts for no peanuts. The Cardinals are among at least three Major League teams that have designated peanut-free zones for some games. [News Source]

548 bad air days in ET since ‘98. Color-coded Air Quality Index warnings offer a tangible barometer of the quality of air in East Tennessee, but those all-too-familiar respiratory symptoms may signal to many people that it's another dirty-air day in Knoxville. [News Source]

Pollution causes major tourist sites to be less showy, court told. The three men each said air pollution is a threat to tourism and means added expenses and restrictions for their operations in Tennessee. [News Source]

Plano approves waste-recycling transfer station. An agreement was approved that paves the way for a controversial waste-recycling transfer station just north of the Menards distribution center. [News Source]

City lawyers say EPA may sue Akron Thermal. Akron and the operator that leases its steam system could be sued by the U.S. Environmental Protection Agency in the next few months, an attorney representing the city told a federal bankruptcy court judge on Monday. [News Source]

Burlington in middle of sludge debate. People living near the farms where biolsolids are spread say the heavy metals, chemicals and pharmaceuticals found in some sludge make them sick. [News Source]

Nearly 900 species discovered in Smokies over 10-year project. A project documenting all living creatures in Great Smoky Mountains National Park has led to the discovery of nearly 900 new species, furthering science, education and public interest in conservation. [News Source]

Ozone at unhealthy levels on ridges. While attorneys argue in an air-conditioned courthouse over TVA power plant emissions, the higher mountains around Asheville have ozone climbing to unhealthy levels. [News Source]

State accuses junkyard of polluting. New York State is suing East Side Used Auto Parts for storing tires and batteries incorrectly causing health problems in neighbors. [News Source]

Air quality might be even worse. If you've been fretting about the recent spate of poor air quality warnings, the American Lung Association has some bad news: it's even worse than you think. [News Source]