What Are We Doing to Our World?

Duration: 0:25:00

Year Published: 1969

Creator: Columbia Broadcasting System | McGraw-Hill Book Company

Format: 16mm

Color: Color

Sound: sound

Description: Discusses the effect of environmental pollution on ecological balance. Studies the Hubbard Brook National Forest experiment to show the result of a destroyed ecology. Summarizes the effects of chemical fertilizers in microogranisms, and suggests that further pollution might induce a permanent and irreversilble change in the nature of man's environment.

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