The document discusses the various small items that people unknowingly track through the streets on the bottoms of their shoes each day, such as cigarette butts, bills, and other unidentified objects. It calls on readers to be more mindful of the pollution they create and to properly dispose of these items, in order to protect smaller creatures and the author's shoes from being further contaminated during the average person's 5,000 daily steps. The author aims to raise awareness of unintended street pollution through their quest to stop it.