Artist David Booth of Soldotna, Alaska, takes an offbeat look at polar bears and global warming in this whimsical cartoon series, which changes weekly. (more)

How much do you know about climate change and polar bears? Take these quizzes created by teenagers Emily Goldstein and Brandie Farkas, two of PBI's Project Polar Bear contestants. (more)

Millions of zoo visitors in North America, Europe, and Australia are learning more about polar bears and climate change thanks to a network of “Arctic Ambassador Centers” established by PBI in alliance with the Zoological Society of San Diego. (more)

For the first time in human history, open water may soon replace the ice at the North Pole in the summer months. (more)