A year after the Copenhagen climate summit, Roger Harrabin explores what really happened.
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.
Quentin Cooper investigates the news in science and science in the news.
Would you eat artificial meat, grown in the lab? Geoff Watts investigates.
Laurie Taylor examines new research into the public convenience.
Hovering blackbirds, fertile volcanoes and Christmas trees.
2/4 Brian Cox, Robin Ince and Paul Foot ask if the modern world is a force for good or evil.
At a moth trap on the Lizard in Cornwall, migrating moths from the continent make landfall
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