Like most places, the British Overseas Territory of Tristan da Cunha is a community made up of teachers, accountants, mechanics, and grocers. But here, on the most remote inhabited island on earth, the weather has a funny way of rearranging the professional landscape. “We have two dong-ringers that have a look at the weather, and if they think it’s a suitable day, they’ll ring the dong hanging in the middle of the village,” says James Glass, who serves as Chief Islander, an elected community leader. “It’s actually an empty gas…