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The Harvard Chan School's Master of Science program equips students to drive meaningful change across laboratories, fieldwork, and policy development. Graduates of this program assume prominent positions in premier academic and research institutions, biotech and pharmaceutical firms, healthcare systems, government bodies worldwide, NGOs, and various public and private sector organizations. Throughout their studies, Master of Science candidates develop solutions for pressing scientific and health issues impacting both individuals and communities. They cultivate specialized knowledge while integrating insights from diverse public health fields. The program provides robust analytical, technical, and quantitative training applicable across numerous professional trajectories. As a student in this program, you'll contribute to public health science through original laboratory or field investigations, develop critical literature evaluation skills, and learn to implement scientific knowledge in practical contexts. The Department of Environmental Health conducts groundbreaking research and delivers cross-disciplinary education focused on environmental factors affecting public health, including air quality, water systems, food and product contaminants, urban environments, and workplace conditions. Faculty investigate disease mechanisms, injury prevention, ergonomic design, climate impacts, industrial hygiene, and sustainable environmental practices while spearheading evidence-based public health initiatives. Their research spans molecular biology, exposure analysis, engineering solutions, epidemiological studies, risk evaluation, and policy assessment through an interdisciplinary lens.