01:00 - 05:20
BBC Radio 4 joins the BBC World Service.
6 programmes available now and no programmes coming up. For more, try the A to Z.
Listen now (30 minutes)
Available since Tue, 13 Oct 2009.
8/9. An unusual sound safari, eavesdropping on the world of insect sounds.
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Available since Wed, 29 Jul 2009.
3/3. Paul Evans meets Roy Dennis, who has spent a life with ospreys, in the Scottish Highlands.
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Available since Wed, 22 Jul 2009.
2/3. Paul Evans goes to Maine to meet a conservation biologist who has spent a life with loons.
Listen now (30 minutes)
Available since Wed, 15 Jul 2009.
1/3. Writer and naturalist Paul Evans meets Prof Lynn Margulis.
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Available since Tue, 5 May 2009.
3/8. Paul Evans investigates the Amazon, the biggest area of rainforest left on Earth.
See all 6 programmes available now. For more, try the A to Z.