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Ecosystems and Conservation
This sub-section turns to marine, forest and desert ecosystems. It looks at ways of protecting mammals, insects and birds.
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Excerpt (4:00)
River with a Problem
1961, production : Graham Parker
The types of pollution in our rivers are extensive and...
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Did you know?
In Canada, almost two of every three litres of water are withdrawn for thermal power generation using fossil and nuclear fuels. Canada's 44.7 billion cubic metres of annual freshwater withdrawal are put to use in these ways: 64% is for thermal power generation, 14% for manufacturing, 10% for municipal use, 9% for agriculture, 2% for rural use and 1% for mining.