Newly formed lakes in the permafrost landscape of Russia’s Siberia.Evgeny Chuvilin/Skoltech

By Katie Hunt, CNN

https://www.cnn.com/2022/11/12/world/permafrost-climate-change-explainer-scn/index.html

Published 7:06 AM EST, Sat November 12, 2022

CNN—

Four years ago, Morris J. Alexie had to move out of the house his father built in Alaska in 1969 because it was sinking into the ground and water was beginning to seep into his home.

“The bogs are showing up in between houses, all over our community. There are currently seven houses that are occupied but very slanted and sinking into the ground as we speak,” Alexie said by phone from Nunapitchuk, a village of around 600 people. “Everywhere is bogging up.”

What was once grassy tundra is now riddled with water, he said. Their land is crisscrossed by 8-foot-wide boardwalks the community uses to get from place to place. And even some of the boardwalks have begun to sink.

“It’s like little…