MIDAlpha TitleTitleYearColor/BWRunning TimeFormatsAbstractTopics
5411ACID RAINACID RAIN1985color16 min16mm Explains the effects of acid pollutants in the air on vegetation, lakes and buildings. Shows how our industrialized civilization has contributed to atmospheric pollutants. Examines sulfur dioxides and carbon dioxide content of rain, snow and ice formations. Presents methods of overcoming the problem and alternative energy sources.