"If we don't have it, we don't need it," pronounces Daniel Fagre as we throw on our backpacks. We're armed with crampons, ice axes, rope, GPS receivers, and bear spray to ward off grizzlies, and ...

This story appears in the March 2017 issue of National Geographic magazine ... told Gallup last year that they are worried about global warming—the highest figure since 2008.

The author is the head of the global cooperation team ... were discovered in the Rongbuk Glacier below the north face of Mt. Everest by the National Geographic documentary crew led by the famed ...

Strock, a 2019 National Geographic Explorer ... scientists may be able to assess the impact of melting glaciers on the global climate more accurately. More information: Kristin E.