This documentary explores a variety of projects undertaken by scientists at Environment Canada's Freshwater Institute in Winnipeg to study the processes that pollute or disrupt clean and balanced freshwater environments.
Release date : 1974-01-01
Production country :
Canada
Production company :
ONF | NFB
Durasi : 24 Min.
Popularity : 1
0.00
Total Vote : 0
Advantages of movie
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movie Shortcomings
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