Secrets locked beneath the melting Arctic permafrost

A thin layer of moss keeps 10,000-year-old carbon frozen.

Geophysicist Matthew Sturm explains how ice age carbon and frozen bones remain separated from modern warmth by a thin layer of moss. When that insulation is destroyed, dangerous carbon releases begin.

Permafrost Is an Ice Age Time Machine

Green grass preserved for over 40,000 years underground.

Researchers explore an underground permafrost tunnel in Alaska filled with prehistoric steppe bison bones, ancient sticks, and grass that still retains its green color.

Inside the Army Corps Permafrost Tunnel

Permafrost holds 3x more carbon than the atmosphere.

NASA project manager Peter Griffith details the staggering volume of organic carbon locked in permafrost and why rapid Arctic warming threatens global stability.

How Much Carbon Is Trapped in Permafrost?

[00:06] Permafrost Is an Ice Age Time Machine
[03:45] Inside the Army Corps Permafrost Tunnel
[04:46] How Much Carbon Is Trapped in Permafrost?

Secrets locked beneath the melting Arctic permafrost

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