Buy the 2015 Old Farmer's Almanac!
One of the problems is that One of the problems is that taking an accurate census of all 19 polar bear populations is very difficult, especially for the Russian/Asian and Eastern Greenland polar bears. There is a huge variation in the estimates. We do know some population groups have declined. Other groups, particularly the bears in the northern Canadian islands, are doing well.

Shop Wind Bells in the Almanac General Store