But Arctic ice must be protected from oil and pollution.
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References
Amstrup, S. C. et al., Nature 468, 955-958 (2010).
Kelly, B., Whiteley, A. & Tallmon, D. Nature 468, 891 (2010).
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Jones, N. Polar bears could survive on persisting ice. Nature (2010). https://doi.org/10.1038/news.2010.675
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DOI: https://doi.org/10.1038/news.2010.675