Increase in sediments such as iron could change quality of water sources for local communities such as Kobuk and Kivalina. The impact on animals and plants are unknown and researchers are aware of potential changes in the food web in the future.

Beavers live in every province of Canada, every U.S. state and into northern Mexico. Range maps now need to be redrawn to include areas north of treeline in Alaska and Canada.

Climate-induced habitat changes on Alaska's North Slope such as coastal erosion and permafrost thaw have produced more food for migrating brant, a study says.