It's hard to believe, but the number of beloved bears decreases with each passing year. Living even in hard-to-reach for northern latitudes, they have their problems, the main of which - the melting of glaciers and the associated process of change in the ecosystem. Global warming makes the white bears settle all the way from the usual habitat. American and Canadian environmentalists have already noticed the occurrence of hybrids of white and brown bears. Well, the ambitious plans of the superpowers to develop the northern part of the planet in search of oil do not add optimism to their defenders.