Following is a transcript of the video. Vanessa O'Brien: 26,000 feet or 8,000 meters, they do call the "death zone." The death zone is, you know, a part of what happens at height in the mountain.

David Breashears, Jangbu Sherpa, Pete Athans, Ed Viesturs, and Dave Carter left Base Camp this morning at 5:00 am for their summit attempt on Mt. Everest. In the twilight, they slipped through the ...

And these are typical conditions on the world’s highest mountain: Mount Everest ... to less than 40% when they reach the Everest “death zone.” The first target for mountaineers is Everest ...

But if climbers want to summit Mount Everest, the tallest peak in the world at 29,029 feet (8,848 meters or 5.5 miles) above sea level, they have to brave what's known as "The Death Zone" - the ...

It extends to the far reaches of Mount Everest where it’s fatal. The world’s highest peak is racking up casualties at a rate that people are now calling it a ‘death zone.’ The most recent ...

But environmental activists are using the occasion to call attention to the tons and tons of garbage — and human excrement — that have been left on Mt ... in the "death zone" that starts ...