An Arctic Hamlet is Sinking Into the Thawing Permafrost | Canada is losing its permafrost to climate change. The Indigenous residents of Tuktoyaktuk know they’ll have to move but don’t agree on when.
Wow that’s a much different picture than I expected …… I assume permafrost melting means ground gets soggy so you need some sort of foundation rework, including on roads. However the article focussed on “slumps” which seem like landslides under a different name. If your town was built on a frozen swamp, you could probably build on posts or something. However if your town slides into the ocean, you can’t really recover