Gesamtlänge aller Episoden: 6 days 10 hours 37 minutes
Tom Heap looks at the environmental impact of Deepwater Horizon one year on.
Invasive species are a growing problem. Tom Heap asks if we can really live without them.
What next for the British nuclear industry? Tom Heap reports on the future of fission.
Campaigners for fur claim it's natural, renewable and sustainable. Tom Heap investigates.
Dr Alice Roberts examines the impact of metal detecting on our heritage and landscape.