PopskyTestFlight

S23·E4317/10/2010

2010-10-1760 min

Ellie Harrison joins the Royal Navy team which rescues stricken fishermen from the seas around Cornwall, while Matt Baker joins the crew on a local oyster boat. Tom Heap asks whether it is really possible, or affordable, to capture and store carbon emissions from our dirtiest power stations, while Jules Hudson is in Scotland to visit the mountain that helped scientists calculate the weight of the world.