Answer:
1.western Antarctic Peninsula is shrinking in size. That means less living space.
2.the sea-ice season is getting shorter and shorter.
3.climate change is driving the decline is because the penguins rely on sea ice for their food
Because of this rapid warming, sea ice along the western Antarctic Peninsula is shrinking in size, and the sea-ice season is shorter. 2 The loss of sea ice is harming Emperor penguin chicks and adults. Emperor penguins rear their chicks on land-locked sea ice.
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