Carnegie Mellon University's Melissa Cicozi asked her "Design and Social Change" class to cook up posters that would encourage people to reduce their carbon dioxide emissions. Here's what happens when Earth has art on its side.

Click on a small image below to see the full-size image.

For more information about these posters, visit cmu.edu/homepage/practical and click on "Influence by Design."

Note: The amount of carbon dioxide emissions associated with lightbulbs, plastic bottles, and electronic devices varies depending on such factors as wattage, size of bottle, and utility district.