Description:Comic strips have always been an entertaining window into the national psyche, so this episode of Today's Green Minute is devoted to Neil Wagner's comic strip, "What On Earth." Wagner has set himself the nearly impossible task of getting laughs out of global warming, but he achieves his goal, displaying great humanity and skillful artwork along the way. NPR's Science Friday website is the strip's current home, where Wagner's blog is a regular feature.(1:22)