Supervolcanoes, waxwings and leaky central heating.
BBC Radio 4
3/4 Brian Cox and Robin Ince are joined by comedian Tim Minchin to talk randomness and chance.
1/5 Professor David Livingstone on how climate has shaped how we think about our lives.
The 'science of success'? William Little explores the history and techniques of NLP.
Carbon emissions were lower last year due to the recession, but not as low as expected
BBC World Service
A year after the Copenhagen climate summit, Roger Harrabin explores what really happened.
When should we stop giving aid? We ask the Head of the UN Development Programme.
Lionel Kelleway travels to Herefordshire to marvel at Britain's ancient trees,.
Helen Mark visits Ardtornish estate in Morvern, in the western Highlands of Scotland.
30/40 Memories of river wildlife, migratory swans and fungi all in this week's programme.
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