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Polar bears could face extinction as emergency food supply dries up, study finds

Source: independent.co.uk

Polar bears will be robbed of the food supply that has kept them alive for thousands of years over the next few decades by climate change, a new study has warned.

When temperatures have risen in the past and melted Arctic sea ice, scientists believe the creatures survived by scavenging whale carcasses until the ice returned and they could hunt seals again.

However, the Intergovernmental Panel on Climate Change (IPCC) has concluded that ice-free summers could begin occurring again within decades. MORE

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