How developments in mapping, travel apps and crowd sourcing are influencing tourism
BBC World Service
One of the largest events in the farming calender starts today - Livestock 2013.
BBC Radio 4
Steve Backshall presents the story and sound of the turtle dove.
2/2 Richard and guests consider the natural and cultural history of the elm, beech and holly.
Laurie Taylor considers an ethnography of human-bird interactions. Also, Belfast mothers.
Roland Pease on the idea that life on early Earth led to the evolution of plate tectonics.
Thursday 4 July 2013