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.
Stanley Jackson
Narrator
Giles Walker
Director
Desmond Dew
Producer
May 4, 1974
Apr 20, 2011
Jan 2, 1953
Sep 16, 2019
Oct 5, 2016
Jun 3, 2021
Mar 7, 2003
Mar 14, 2026
Sep 22, 2016
Dec 1, 2013
Dec 13, 2022
Mar 8, 2014
Jun 7, 2014
Feb 23, 2011
Sep 10, 2022
Mar 24, 2021
ONF | NFB
CA
Canada
English
