Green Your Humor: Is Global Warming a Hoax?

Let's be honest: We all know that enviro-head who can be a real Debbie Downer. Sure, climate change, oil spills, and nuclear disasters are serious business. But people may tune us out if we never take a moment to laugh at ourselves. This week's tips should help.

Tip #4: Play an Eco-Themed Prank

We hope this week's humor tips have prepared you for April Fool's Day, that precious 24-hour period when pranksters get a free pass to create a bit of mayhem. Consider making the most of tomorrow's mischievous holiday by using humor to spotlight a real environmental issue. Last year, a Sierra Club video announced "The Scrubber," a fake iPhone app that poked fun at the coal industry's penchant for misleading language. To get your juices flowing, peruse National Geographic's gallery of historic science-related hoaxes.

Tell us: What's the best April Fool's Day prank you've seen or heard of?