Jon Stewart addresses public concerns about the Lincoln Memorial Reflecting Pool after renovations under President Donald Trump, focusing on reports that the water is now infested with algae. In a Monday night episode of “The Daily Show,” Stewart opens with audio clips from CNN describing how the pool’s chemical conditions—specifically high phosphate levels—contribute to a “significant algae bloom.” Stewart uses the situation as the basis for his commentary, joking about the apparent contrast between the pool’s intended appearance and its current condition. Both outlets describe the same central issue: the reflecting pool renovation is linked to algae growth, and explanations cited by media outlets attribute the bloom to elevated phosphate levels that promote algae. The coverage also highlights Stewart’s comedic framing of the incident, including remarks questioning the quality of the renovation process and its oversight. No sources provided additional new technical findings beyond the reported algae cause and the fact of the algae infestation following the renovation.