A poem, story, or picture that is made up to induce irrational fear in myriad people.
Person 1: THE EARTH'S ON FIRE! Global Warming is coming to melt the ice caps and flood the world!
Person 2: Pfft, that's just an Al Gorie. If the ice caps melt, the water level will remain the same. It's already displaced its mass in water. >_>