With the Arctic warming faster than the global average, researchers at UBC and the University of Edinburgh have made an ...

Lapland is a region of northern Scandinavia - part of the Arctic tundra ... break ice to find water to drink. In the winter they huddle together in groups to retain heat. Tundra environments ...

but it has sharpened it because of the fact that ecosystems like those in the Arctic tundra are simply held together by ice. There is a tipping point that comes with the freezing point of water.