David Good, program manager for air monitoring for the Allegheny County Health Department, says the department relies on lab-grade instruments to measure air quality. “We have to have very highly ...
The story of L.A.’s noxious smog problem and the creation of the EPA and Clean Air Act. In 1943, dark, smoky clouds enveloped Los Angeles, causing residents to complain of burning eyes, nausea, and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback