I just re-read The Golden Compass and it is not even remotely about the effect of climate change on polar bears. (Maybe by the third volume, The Amber Spyglass but not this first book/movie.)
Please post the contact information on Coca Cola. I'll just give them a little piece of my mind, which will probably overwhelm their tiny craniums.
By the third, Iorek has to move his clan to escape the melting snow. It doesn’t work well for him. But he’s ok in the end. Whew!!