Climber jumping across a crevase stream on Mer de Glace glacier, Mont Blanc range, Chamonix, French Alps, France, Europe

Melt water on the Greenland ice sheet which is melting at an unprecedented rate due to human-induced climate change, near Camp Victor north of Ilulissat, Greenland, Polar Regions

Melt water on the Greenland ice sheet near Camp Victor north of Ilulissat, Greenland, Polar Regions

The Russell Glacier draining the Greenland icesheet inland from Kangerlussuaq on Greenland's west coast, Greenland, Polar Regions

Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, Polar Regions

Clients are led by guide Ben Wilcox up a meltwater canyon on a day trip on the Root Glacier in Wrangell-St. Elias National Park, Alaska.