even so, longyearbyen has that dubious honor of warming quicker than anywhere else.ered by coal. for decades, this was a company town, where coal was the only business. but the global emissions from the very material that built the town are now threatening its future. one working mine remains. its planned closure this year has been postponed until 2025, after the russian invasion of ukraine drove coal prices up in europe. tourism is the big business now. ice cave expeditions are one of the popular activities, but the glaciers are melting at a record rate. >> we are 10 meters under the surface. john: mans gullgren guided our way through the labyrinthine structure, and says he's worried about how much longer activities like this will be possible. >> i've been thinking about this for years and years. if i were to walk around and worry, which i do, i sort of have to shut it off, as well, because otherwise, it would be too hard. seeing that nothing is actually happening, iwe are basing our lives on economic growth, that's what we're getting. i don't see anything changing