Water Pollution - Can We Keep Our Water Clean

Year Published: 1971

Format: 16mm

Sound: sound

Description: Shows six major sources of pollution and the ways in which each contributes to the contamination of our waterways. Includes examples such as trash and garbage from individuals, fertilizers, chemicals and manure from farms, waste and oil from boats, industrial wastes and detergent effluents from factories, thermal pollution from nuclear plants and city sewage.

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