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How Many People Can the World Support?
How scarcity of crop land and water will drive poverty and environmental destruction
Researcher Sandra Postel talks about World Watch's State of the World report, and the scarcity of resources such as crop land and water, which will in turn drive poverty and environmental destruction.
Also on the programme an environmental news roundup and The Power Guide, a guide to choosing renewable power sources produced by Inermediate Technology Development Group (ITDG).
Presented by Julian Coleman
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