Big Freeze

This documentary explores the science of deep cold, warning that today's mild climate may be less stable than it seems. Drawing on the geological record, it shows how the planet has plunged into intense cold spells before and could again. It examines the forces that trigger these big freezes and what they would mean for life. Sobering and intriguing, it puts our comfortable present into a much longer perspective. Free to watch in HD on Dr Documentary.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

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