The Chain of life
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Episode of Series “Our Vanishing Wilderness”. Man is destroying his environment when he uses chemical instead of biological pesticide controls. Man is the end link in the chain of life and is limiting his own survival when he destroys other links in that chain.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
Original permalink · Record added 2026-01-23 04:09:32