Pen pollution refers to the excessive use of disposable pens that contribute to negative environmental impacts. There are several synonyms for this term that can be used to describe the ecological impact of disposable pens. These include pen waste, pen litter, pen trash, and pen debris. Other synonyms include pen overload, pen excess, pen overuse, and pen saturation. These terms all describe the negative impact of disposable pens on the environment, reminding us of the importance of reducing our reliance on single-use writing instruments and opting for more sustainable options like refillable pens or digital note-taking.