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Chemical Waste Protects Linked with Male Infertility
How surfactants get into the water supply and what effect Alkylphenol Ethoxylates can have on ecosystems - and people.
Also on the programme the world's monthly temperature cycle and Keiko the orca whale who starred in the film Free Willy.
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大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
