Fun attracts people but let’s face it: environmentalists tend to be a dour bunch. Saving the planet is serious stuff. Average working people can get turned off. But what about dark comedy? We’ve seen where it works. On this show history professor Aaron Sachs talks about his new book STAY COOL: Why Dark Comedy Matters in the Fight Against Climate Change. Creatively mocking polluters is a uniquely powerful weapon against them. Listen in, you may be surprised and encouraged.