Episode of Series “Problems of conservation”
Shows innovative ways to increase water supplies - percolation ponds, desalination of salt water, artificial weather control. Indicates that pollution control is equally important in conserving and purifying present water supplies.
Suitable for upper primary and lower secondary levels.
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How to watch
Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
323812
Language
English
Subject categories
Climate, Environment, Natural Resources & Disasters → Climatology
Climate, Environment, Natural Resources & Disasters → Conservation of natural resources
Climate, Environment, Natural Resources & Disasters → Environment
Climate, Environment, Natural Resources & Disasters → Environmental education
Climate, Environment, Natural Resources & Disasters → Natural resources - Environmental aspects
Climate, Environment, Natural Resources & Disasters → Pollution - Environmental aspects
Climate, Environment, Natural Resources & Disasters → Saline water conversion
Climate, Environment, Natural Resources & Disasters → Water - Pollution
Climate, Environment, Natural Resources & Disasters → Water quality
Climate, Environment, Natural Resources & Disasters → Water resources development
Communications, Infrastructure, & Transport → Water - Purification
Communications, Infrastructure, & Transport → Water resources development
Communications, Infrastructure, & Transport → Water-supply
Documentary → Documentary films - United States
Educational & Instructional → Educational films
Sound/audio
Sound
Colour
Colour
Holdings
16mm film; Preservation Print (Section 5)
16mm film; Limited Access Print (Section 2)
16mm film; Access Print (Section 1)