Scientists Conduct Research Into Harmful Effects of Air Pollution Ca. 1968Unknown - 1968
In the 1960s, the publication of Rachel Carson's Silent Spring led many scientists to reevaluate the dangers of pollution. Researchers investigated the effects of carbon monoxide, smog, and other pollutants on the human body and recommended a series of new environmental regulations.
Publisher: [Place of publication not identified] : , WPA Film Library, , 
Copyright Date: ©1968
Characteristics: 1 online resource (1 video file (2 min., 53 sec.)) : sound video file,rda