Threatening the Inupiat village of Selawik, Alaska, are sinkholes that have formed beside the river that provides the community its drinking water, as well as an important food source.

Thawing permafrost is warping water and sewer lines. Along the coast and rivers, erosion is threatening the lakes that communities use for drinking water or the lagoons where they dump sewage.

Research suggests climate change is going to cause more damage to roads and other infrastructure in Canada's North than previously feared. The study has major implications for construction in the North.

Permafrost thaw surrounding the massive Red Dog Mine is releasing higher natural levels of dissolved minerals and other particles into streams, Teck Resources Ltd. says

Concern about permafrost thaw and possible impacts to underground water and wastewater lines.