Rather, global polar bear numbers have been stable or slightly improved. (polarbearscience.com)
While polar bear numbers are increasing in two of these populations, two others are definitely in decline. (newscientist.com)
Just because polar bear numbers might have increased in the previous three or four decades, we must not discount the evidence that they are now declining in some areas and are expected to soon decline in others. (dotearth.blogs.nytimes.com)