Everest, about 60 million years ago ... they crumpled into mountain ranges—the Himalayas. By 10 million years ago the two continents were in direct collision and the Indian continent, because ...

His rescue efforts in the 1996 Everest disaster (which informed the 2008 Frontline documentary Storm Over Everest ... to highlight climate change in the Himalaya. The post Famed Everest ...

In the early years, little was known about the physiological effects of extreme altitude, and mountaineers the world over wondered if they could possibly climb Mount Everest, the world's highest ...

This year, several teams went to the Himalayas to attempt winter ascents on Mt. Everest, Manaslu, Makalu and Annapurna. Winter Ascents of Himalayan peaks present an additional set of challenges ...

That experience led to the 2008 Frontline documentary Storm Over Everest, which included interviews ... to the impact of climate change on the Himalayas. He founded the advocacy group GlacierWorks ...