As glaciers melt and permafrost thaws, Longyearbyen, on the remote Arctic islands of Svalbard, faces climate-induced problems from tap water to housebuilding to landslides

• Heavy metals make Norwegian village’s tap water toxic

On a rugged mountain plateau of snow-dusted rocks, in the remote archipelago of Svalbard, a glaciologist, Andy Hodson, points out the “ears” of ice, white against the rock, that gave Foxfonna glacier its name, after the arctic fox.

The small glacier, on a mountain 8 miles (15km) outside the Norwegian village of Longyearbyen, is a popular summer hike for tourists who come here seeking the Arctic experience.