Mars - A Curious blend of sulphur and rust with a sparkling whiff of carbondioxide. Smells like April Fools' Day. You know, immature and cheesy, with a quick, bright finish. At least according to Google Nose, one of the latest additions to Google...
Depending on whom you work for, you either boost results with nuclear accidents, the risk of terrorism, and the clean storage of carbondioxide, or you emphasize how clean nuclear power is compared to coal.
Team up with a fire department for a fundraiser selling carbondioxide (CO2), and fire alarms. Teaming up with another site or organization is a great way to build links, exposure, and branding. It can be done in a number of different ways...