Let Washington’s students breathe and learn clearly | Letter - The Journal of the San Juan Islands

Let Washington’s students breathe and learn clearly | Letter - The Journal of the San Juan Islands

What is the biggest issue in school? A lack of focus, or the structure of grades? No. It may literally be the air students breathe. Without proper ventilation, carbon dioxide builds up quickly in enclosed spaces, breaking the natural human cycle of breathing oxygen in and carbon dioxide out. This causes reduced concentration, headaches, and fatigue. Outdoor air contains about 425 ppm of CO₂, but at 950 ppm, just twice that level, studies show a …