When Sea Ice Retreated, Some Emperor Penguins Didn't Breed - The New York Times

Melting ice puts emperor penguins on a slippery slope

An Emperor's Tale - NWF

Melting sea ice threatens emperor penguins, study finds (w/ Video)

Antarctic Sea Ice Crisis: Emperor Penguin Colonies Suffer

Loss of sea ice causes catastrophic breeding failure for emperor

Travel: Penguins and elephant seals star on an expedition to

For Antarctica's emperor penguins, 'there is no time left

Low sea ice in Antarctica causing 'catastrophic breeding failure

Emperor Penguin Penguin Place Post