Climate change

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Polar bear

The polar bear is dependent on sea ice for its survival, but climate change is causing drastic reductions in the extent of ice cover across the Arctic region.

This reduces the polar bear’s access to prey, forcing them to spend more time on land and rely on stored fat reserves. Less food means bears will give birth to fewer, smaller young.

As the ice retreats, polar bears must increasingly travel across open water, leading to greater mortality of cubs that are unable to swim long distances.