Jim Morin shows a man notifying polar bears that global warming threatens their species’ survival and visually underscores the point with an ominous fissure in the ice. The bear’s humorous reply asserts a connection among the fates of all large mammals on earth. Morin created this cartoon just days after the U.S. government proposed listing polar bears as threatened with extinction under the Endangered Species Act. Environmental issues represent an important, ongoing concern in this Pulitzer Prize-winning American cartoonist’s work.