Many people, including successful entrepreneurs like Facebook’s Mark Zuckerberg, wear the same clothing daily because they want to focus their decision-making energy on more important things. However, Julia Mooney’s, “One outfit, 100 days” challenge, has a more altruistic motive. The art teacher at the William W. Allen Middle School in Moorestown, New Jersey is wearing the same dress for the first 100 days of school to create awareness of the environmental costs of fast fashion.