CleanApp didn’t begin as a business pitch — it began with a problem no one wanted to take responsibility for. A polluted riverbank, a hazardous crack in a building, a toxic leak in a parking lot, an app glitch affecting millions. The kinds of issues everyone sees, but everyone assumes belong to somebody else. Below, we bring you an inspiring interview with the creators of the Clean App, Boris Mamlyuk and Anuj Das Gupta.