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We hear that polar bears are under threat from climate change and may starve as the world鈥檚 ice melts. This is because it is difficult for them to venture onto thinning sea ice to find their favoured food 鈥� seals. But presumably the seals will still breed somewhere. Where is that, and will it be accessible to polar bears?

Clive Wilkinson, Townsville, Queensland, Australia

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This article appeared in print under the headline 鈥淪eal meal鈥�