Polar bears have taken the most drastic hit from the melting Arctic sea ice due to climate change as they find it hard to catch food for survival.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/consequences-climate-change-polar-bear-population-shrinking-due-arctic-sea-ice-melt
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glacial-melt
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arctic