|A bus and a cigarrette fume off. Not all smoke is treated equal, but some smoke gets off scot-free.|
|A tourist covers her mouth on Seventh Ave.|
After all, while cigarrettes generate cubic centimeters of smoke, vehicles and factories belch out cubic meters of it.
What if we labeled other air polluters the same way we do cigarrette packs?
|A skull graces this smokestack in Palo Quemao to show what it does to its neighbors.|
|This Transmilenio bus on the 'Eje Ambiental needs an image of the diseased lungs it produces.|
|How many people has this belching bus helped send to sickbeds?|
By Mike Ceaser, of Bogotá Bike Tours