The program has involved over twenty expeditions into the arctic to study past movements of the arctic tree-line driven by climatic change, which now provides an important perspective and test for the ...

In normal conditions, Canadian Air Force helicopter pilot Jonathan Vokey uses the tree line to gauge his altitude. But in the Arctic, where the landing zone is an expanse of white snow ...

F or thousands of years, the Inuit have lived above the arctic tree line as hunters and gatherers in an ice-based landscape. Over the past century, they’ve faced a number of threats to their way ...

They measure three feet from nose to tail and weigh between six and 12 pounds. HABITAT: Arctic foxes live in Arctic and alpine tundra, in coastal areas, on ice floes, and north of the tree line. RANGE ...