2/8 Why are parts of the Southern Ocean warming twice as fast as the rest of Earth's oceans? (R)
A look at a conservation project exploring the history of five commons in Carmarthenshire. (R)
BBC Radio Wales
Ellie helps to give Cheddar Gorge its annual clean-up. (R)
Are human cyborgs set to become a reality? Frank Swain investigates. (R)
BBC World Service Americas and the Caribbean
BBC World Service Online, Europe and the Middle East, UK DAB/Freeview only
BBC World Service East Asia, South Asia only
BBC World Service Australasia
Presented by Anna Hill. New avian flu rules have been brought in overnight.
BBC Radio 4
Michaela Strachan presents the story and sound of the house sparrow. (R)
BBC World Service East and Southern Africa, Europe and the Middle East only
Geneticist Alison Wollard explains her enthusiasm for a tiny nematode worm.
Pennie Latin learns about soundscape ecology - the study of nature's sounds.
BBC Radio Scotland
Julia Bradbury is at Burnham Beeches on the hunt for giant wood ants. (R)
BBC Two except Wales
8/35 Nick Crane explores the violent history of smuggling around the Gower Peninsula. (R)
BBC Two Wales
4/6 David Attenborough reveals the vibrant environment of southern Africa. (R)
Can putting carbon back into the soil help in the fight against climate change?
Adam Walton previews the 2017 Bangor Science Festival, which begins on 10 March.
3/6 Series exploring strange behaviour in the animal kingdom focuses on breeding rituals. (R)
Technological and digital news from around the world.
BBC World Service East and Southern Africa, West and Central Africa only
5/6 A look at survival in grasslands, from Asia's saiga antelope to the anteaters of Brazil. (R)
BBC World Service except East and Southern Africa, East Asia, South Asia, West and Central Africa
Professor Armand Leroi uses science to try to find the secret to pop success.
Geneticist Alison Wollard explains her enthusiasm for a tiny nematode worm. (R)
Technological and digital news from around the world. (R)