Unique plants in Bristol, contraceptives and fish

How conservationists are using science to help protect rare plants found only in Bristol's Avon Gorge, and feminised fish in the wild...
30 October 2012
Presented by Richard Hollingham, Sue Nelson

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This week in the Planet Earth Podcast: how conservationists are using science to help protect rare plants found only in Bristol's Avon Gorge, and are feminised fish changing wild fish populations?

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