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Global population
The increasing problem of global population rise
The increasing problem of global population rise. By 2025 the United Nations estimates the world's population will top eight billion people. For some the figures are a concern but for others they are proof that infant mortality is reducing and advances in medicine are working. A panel examines the challenges a larger world population will produce.
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主播大秀 World Service Archive
This programme was restored as part of the World Service archive project
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Discovery
Explorations in the world of science.
