It’s cold, it’s hard, and you might not think of it as critical for life on Earth, but there is some ice that is more important than you might know. Dr. Biology sits down with scientist Stephanie Pfirman to talk about summer ice and how the amount we see is shrinking rapidly. This ice is important to more than the animals and native people who depend on it to survive. It turns out it has an impact far beyond its cold edges.

Learn more: Hacking Nature
Read more: Changing Life In the Arctic
Play: Ecochains
Explore: SITU

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