Solar panels installed on the upper surface of the gliders power numerous sensors that take readings every 10 minutes.

BBC: PacX Wave Glide

Plastic matting is to be installed over the grass surface of the Land's End runway to allow flights to resume between the Isles of Scilly.

BBC: Plastic mats to strengthen Land's End runway

Duncan MacKay, a local marine-energy consultant, says that if all the energy companies' plans come to fruition, something like 500 seabed and surface turbines will be installed within 18 miles of Thurso over the next decade.

ECONOMIST: A remote town hopes to become a clean-energy hub