National Wildlife Federation

The Muppets have appeared in PSAs (Public Service Announcements) for the National Wildlife Federation.


 * 1980s - Kermit and Fozzie are fishing in a river when Fozzie catches a boot. Kermit explains that littering is something that most people just don't think about.


 * 1990s - Miss Piggy runs through a checklist of things to do to save energy with some penguins, rats and Bessie the cow. Kermit asks what they can do to help the environment; Piggy turns off the lights and begins to smooch with her frog.