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This video segment adapted from Lloyd Fales and Sweetspot Pictures, Inc. examines how the changing Antarctic climate affects the Adélie penguins that live there. Learn about the penguin colonies on Ross Island and see how changes due to global warming affect the success of these colonies. For example, ecologist Grant Ballard points out a snowfield where thousands of penguins were buried alive during a single powerful storm. While storms can also help break up the ice to increase access to open waters, other rapid climate change events, such as the massive iceberg that broke off the Ross Ice Shelf in 2000, block access between penguin feeding and breeding grounds and cause populations to decline.