Until recently, permafrost has locked carbon and methane beneath the surface of the planet.
Because of the permafrost, Aikhal was built on steel poles for support.
In the summer, the cold temperatures kept permanent layers of ice on the ground, permafrost, which turned to mud on warmer days.
Sunspots and increased solar activity, permafrost, and a warming arctic tundra all play a role in raising the planet's average temperature.
When the jet engines were not enough, they blasted holes into the frozen ground with dynamite.Due to the presence of permafrost, Mirny Mine's processing plant was built 20 miles away from the mine.