While on the National Geographic and Rolex Perpetual Planet Everest Expedition, a team of scientists travel to Nepal's Gokyo Valley to collect sediment cores from glacial lakes. Their mission is to gather data on the effects of climate change in the valleys surrounding the tallest mountain on the planet and reconstruct the region’s history using the mud. See what challenges they face while collecting samples at high glacial lakes in the Himalayas.

Read This Next

Inside the making of the world’s most powerful telescope
Who was Golda Meir?
7 simple ways to save millions of mothers and babies

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet