It turns out that winters in Siberia are getting a bit warmer.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/siberian-permafrost-reveals-winters-have-continuously-warmed-thousands-years
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-world-report
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/russia
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists