Changing Planet: Thawing Permafrost and Methane
NBC Learn, UCAR
This video examines the thawing of permafrost due to changes in climate and shows examples of the impacts that warming temperatures have on permafrost in the Arctic, including the release of the greenhouse gas methane. Dramatic results are shown, including sink holes forming on the landscape and beneath buildings, roads, and other infrastructure, causing some communities to relocate.
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Use in a carbon cycle or climate change science unit. Great for a middle school geography unit. A related lesson plan is available: [http://www.windows2universe.org/teacher_resources/permafrost_gas_leak.html]