An advocacy group has put a price tag on the heaving roads and leaning buildings ubiquitous to the Northwest Territories.

Tununak Airport near Bethel is facing a catastrophic problem, as airlines are refusing to land there due to the village's shifting permafrost.

New research shows that permafrost soils hold massive quantities of mercury — nearly twice as much as is held in all other soils in the world, plus the mercury in the oceans and the atmosphere —

Government scientists have found an island in the Beaufort Sea that is shedding as much as 40 metres of ground each summer.

Because ice makes up a good portion of the underground foundation of northern Alaska, thawing has dropped the landscape as much as 3 feet in some places.

This tadpole-shaped gash in the Earth's surface - around one kilometre long, and 800 metres wide - is enlarging by up to 30 metres a year.