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CFCs
Chlorofluorocarbons are still available, despite the threat to the ozone layer
An exploration of the availability of chlorofluorocarbons - or CFCs which are being phased out, but it's still legal to make them, is still legal to use them and CFCs can be legally recycled.
Also on the programme the lifecycle of the albatross, the shrinking of the Aral Sea and the co-operatives in Costa Rica making money from dead wood.
Presented by Julian Coleman
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This programme was restored as part of the World Service archive project
