Half the deer in Britain should be culled, according to a report by environmental experts.
5/6 American author David Sedaris takes Clare Balding on a litter-picking walk in West Sussex.
Is a deer cull the solution to controlling ever-increasing numbers? With Quentin Cooper.
1/3 Erica discovers that bees' sense of smell can be used to detect explosives and disease.
Friday 8 March 2013