Snow and ice loss warms the land surface and air, setting off a feedback loop of further ice loss. This destabilises the landscape, with potentially hazardous impacts.

Two skiers have pulled off a breathtakingly audacious first descent on an insanely steep line on New Zealand’s tallest mountain ... winds that turned snow into ice forced the pair to retreat ...

Andia/Universal Images Group via Getty A climber in New Zealand is "exceptionally ... and he was then assisted down the mountain after losing an ice axe and crampons during the fall.

Almost 300 glaciers have now vanished completely from New Zealand's mountains. As warming temperatures melt glaciers, the ice ...