麻豆视频AV

Helen Mark drives a chip fat-powered car around the Orkney island of Westray as she meets the pioneers determined to turn their island into the first community in Britain to be entirely self-sufficient in energy. The local kirk is powered by a wind turbine, holiday homes are heated by ground source heat-pumps and local farmers and fishermen are making their own fuel from cattle manure and cooking oil.

Helen also takes to the water to discover more about the enormous energy resource contained within the tides and currents of the Orkney Islands. Can a parade of new gadgets harness the power without disturbing the birds and mammals that feed in the rich waters of the Pentland Firth?