As Earth faces potentially catastrophic warming, Antarctica is a sensitive indicator of climate change and a frontier where global partnership makes a difference. This episode focuses on the fact that adventure tourism is skyrocketing in Antarctica, creating serious risks in a fragile ecosystem. (Video: Assignment Earth)

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"Assignment Earth" features compelling video reports from the front lines of major environmental stories from around the globe. Topics include global warming, pollution, habitat destruction and endangered species.

More videos in the Assignment Earth Antarctica series:

Antarctica research
Antarctica warming