The renowned mountain guide who used xenon gas treatment to put clients on top of Mount Everest and return them home within a ...

KATHMANDU, Nepal — Using xenon gas treatment and the latest technology is making climbing Mount Everest ... one week there compared to eight weeks, it is a 75% reduction of human waste, ...

Using xenon gas treatment and the latest technology is making climbing Mount Everest not ... spend one week there compared to eight weeks, it is a 75 precent reduction of human waste," he said.

open image in gallery Four British climbers pose on the summit of Mount Everest less ... spend one week there compared to eight weeks, it is a 75 precent reduction of human waste," he said.

Nepal's government says it has a “duty to protect” the Himalayas from the risks presented by climate change and the growing ...