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Michaela Strachan presents the story and sound of the long-tailed tit.
Avian flu restrictions, producing billy goat meat and Brexit imports and exports.
Quantifying the impact of humanity on the earth's natural systems.
Kate Humble presents the stock dove.
Welsh anger at minister snub, cider exports, and the NFU neonicotinoids bid.
Tom Heap asks if we can stop the global wildfire epidemic.
Bill Oddie presents the nuthatch.
UK farmers struggling to recruit migrant workers are offering improved accommodation.
4/6 Brian Cox and Robin Ince discover the wonders still lying hidden deep within our oceans.
Sean Carroll tells Jim why he abandoned Einstein for quantum entanglement.