This sub-section examines the effects of air pollution on forests and of greenhouse gases on climate, the danger of insecticides for birds and human health, and the pollutants in our rivers.
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A pulp mill at Meadow Lake, Saskatchewan is the first zero-effluent-discharge mill in the world. It cleans and reuses its process wastewater and does not discharge into any nearby creek, river, stream or lake.
Filmed interviews (10:37)
