This document discusses project management in noisy environments. It begins with an overview of communication models in project management and sources of noise. Noise arises from stakeholders expressing differing views on a project and can interfere with message transmission. Effects of noise include temporary disruptions to trends or changes in a project's rate or direction of progress. Noise is categorized based on its source or intentions. The document concludes with preventative and corrective actions a project manager can take to deal with noise, such as anticipating anxiety, maintaining credibility, and keeping stakeholders informed.