To view this content from YouTube, it is necessary to allow the collection of viewing rates and YouTube ads.

It appears that an application in your Internet browser is preventing the video player from loading. In order to view this content, you must cancel its use.

Published on: 04/05/2026 - 16:40

Glaciers are essential to our water security. If our human activities do not change, up to 50% of them will disappear by 2100. Himalayan mountaineer Sophie Lavaux takes on a unique challenge on six continents. Since she goes where few dare, she chooses to help science. Sophie is sampling "permafrost" to combat global warming. The DNA and living or dormant species it contains may help preserve glaciers and much more.

Related keywords

The content you want to browse is no longer in service or is currently unavailable.