According to RIA News, polar bears begin to attack people because of global warming, the Russian scientists consider.
“The sea ice area is reduced (the area of ices in Arctic regions), and that is area where lives a polar bear. If this area of dwelling will reduce, bears will start to search for food, going out on coast, comes nearer to villages which are on sea coast ; and this represents significant threat for people “, - Oleg Anisimov , the doctor of geographical sciences, the professor of the State hydrological institute of Federal Hydrometeorology and Environmental Monitoring Service, has told on Friday at press conference.
The scientist has noted, that, by different evaluations, for last 30 years the ice in Arctic regions was reduced to 10-40 %, on thickness.
Anisimov also has noted, that warming of a climate results as increase in temperature of ground in zones of a permafrost.