Polar Bears International: Polar Bears Migrations

"Searching for a white bear on green grass and brown rocks is easier than searching for it out on the White Sea ice" said Steven Amstrup of “Polar Bears International” by stating the fact that polar bears' population comes ashore each year.
Is a fact that polar bears’ fundamental key to the survival is the sea ice, which provides them a vital platform for hunting seals; and, when the sea melts in summer they migrate to land, where they save energy by overwintering. But because of global warming, polar bears are moving towards areas with more persistent year-round sea ice and sometimes they are undergoing seasonal migrations following the movements of the ice pack. While migration polar bears are exposed to danger and their lives could be