Arctic tundra becoming source of carbon dioxide emissions
Transcript Intro 0:00 [Music] Changing ecosystem 0:06 The Arctic is an ecosystem in transition, 0:09 and adaptation to a warmer Arctic 0:12 is essential to the survival and resilience 0:14 of its plants and wildlife, 0:16 and the well-being of the communities that depend on them. Arctic tundra 0:20 Transformation is especially clear on the Arctic tundra. 0:24 The tundra has absorbed 0:25 and stored carbon in frozen soil for millennia, Wildfires and carbon dioxide 0:29 but wildfires across warming permafrost regions 0:32 are increasing and tipping the scales, 0:35 resulting in the release of carbon back into the atmosphere