16mm Filmography
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Problems of conservation : air

Surveys the contamination of air through a study of various pollutants, indicating that air pollution began approximately 200 years ago with the advent of the Industrial Revolution. Defines smog as the combination of gaseous wastes with moisture in the air and points out that sun shining on smog can produce harmful chemical changes. Shows the danger of temperature inversions and recommends the electrical and mechanical removal of pollutants at the source., Problems of Conservation - Air From the series Environmental Studies Series Distributed by ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP 425 N MICHIGAN AVE CHICAGO, IL 60611 Produced by ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP 425 N MICHIGAN AVE CHICAGO, IL 60611 Year published 1968 Grade Level: J A Distributed on media: 1 videocassette (15 min.), 1/2 in.; 1 videocassette (u-matic) (15 min.), 3/4 in.; 1 film reel (15 min.), 16 mm. Color?Color Length: 15 MIN Description: Studies adverse effects of air pollution. Discusses technological and legislative controls. Specifies the percentages of various gases that make up the troposphere. Topics: Social-Culture-And-Social-Processes; Social-Group-And-Interpersonal-Processes; Biology,-Ecology-Air-Pollution; Biology,-Ecology-Environment; Chemistry-General; Social-Problems
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, Surveys the contamination of air through a study of various pollutants, indicating that air pollution began approximately 200 years ago with the advent of the Industrial Revolution. Defines smog as the combination of gaseous wastes with moisture in the air and points out that sun shining on smog can produce harmful chemical changes. Shows the danger of temperature inversions and recommends the electrical and mechanical removal of pollutants at the source., Problems of Conservation - Air From the series Environmental Studies Series Distributed by ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP 425 N MICHIGAN AVE CHICAGO, IL 60611 Produced by ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP 425 N MICHIGAN AVE CHICAGO, IL 60611 Year published 1968 Grade Level: J A Distributed on media: 1 videocassette (15 min.), 1/2 in.; 1 videocassette (u-matic) (15 min.), 3/4 in.; 1 film reel (15 min.), 16 mm. Color?Color Length: 15 MIN Description: Studies adverse effects of air pollution. Discusses technological and legislative controls. Specifies the percentages of various gases that make up the troposphere. Topics: Social-Culture-And-Social-Processes; Social-Group-And-Interpersonal-Processes; Biology,-Ecology-Air-Pollution; Biology,-Ecology-Environment; Chemistry-General; Social-ProblemsNOTE: Two (or more) records have been merged together to create this data.

More in Environmental Studies Series

  1. Problems of Conservation: Our Natural Resources
  2. Problems Of Conservation - Air 1968
  3. Problems of conservation : air 1968
  4. Problems Of Conservation - Forest And Range 1969
  5. Problems Of Conservation - Soil 1969
  6. Problems Of Conservation - Water 1969
  7. Problems of conservation : forest and range 1969
  8. Problems Of Conservation: Minerals. 1969
  9. Problems of conservation: wildlife 1970
  10. Problems of Conservation: Wildlife 1970
  11. THE GARBAGE EXPLOSION 1970
  12. Aging of Lakes 1971
  13. Noise - Polluting The Environment 1971
  14. Buffalo: An Ecological Success Story 1972
  15. Controversy Over Industrial Pollution: A Case Study 1972
  16. Energy - A Matter Of Choice 1973
  17. The Salt Marsh - A Question Of Values 1975
  18. The Salt Marsh: A Question Of Values 1975

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record

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