Wilder, Vol 41, Issue 3, 2017).įor example, in Canada, more interactions have already been observed between polar bears and humans during years when the sea ice melted earlier 8 (source: Ursus, D. Scientists are concerned that this could result in more nutritionally deficient polar bears in the summer months 7 (source: Wildlife Society Bulletin, J. However, climate change is causing the sea ice to melt earlier each year which gives the polar bears less time to build up their fat reserves ready for the summer. When the sea ice melts in summer, they move to the mainland or Arctic islands.ĭuring winter, they build up their fat deposits which provide energy for them during the summer months when they cannot hunt seals. Polar bears eat most of their food in the winter when they hunt seals on the Arctic sea ice. How Climate Change is Impacting Polar Bear Attacks on Humans
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