South Georgia has extraordinarily rich wildlife and is home to 30m breeding birds, including huge concentrations of wandering albatross, cape and giant petrels, and king and macaroni penguins.

ECONOMIST: Icebergs ahoy | The

Previous research found artificial light caused newly-hatched turtles to head away from the sea, rather than towards it, and caused seabirds such as petrels to collide with lighthouses and other lit structures.

BBC: Grangemouth and Longannet lights help birds feed at night

The peninsula is a haven for wildlife: humpback whales in the crystal blue water, elephant seals beached on Pleneau Island, squawking adelie, chinstrap and gentoo penguins, and wheeling cormorants, petrels and terns.

ECONOMIST: Icebergs ahoy | The