Documentary about contamination of the air and other forms of pollution, costing Britain £400 million a year, which are countered by smoke elimination programmes and the use of natural gas, fuel research and other measures.
No cast listed.
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Documentary about contamination of the air and other forms of pollution, costing Britain £400 million a year, which are countered by smoke elimination programmes and the use of natural gas, fuel research and other measures.
No cast listed.