John Hopkins University

What you'll study

The programme combines core public health and environmental science coursework with specialised modules in exposure assessment, toxicology and environmental epidemiology. Typical subjects include exposure science and monitoring, environmental toxicants and mechanisms of toxicity, air and water quality management, environmental microbiology, environmental risk assessment, environmental policy and regulation, spatial analysis/GIS, and biostatistics for environmental research. Students usually complete a mix of lectures, laboratory practicals and field-based projects; many tracks offer either a research thesis or a practicum/capstone project that applies methods to real-world problems.

Programme structure is flexible but generally includes foundational courses in public-health methods and statistics, advanced electives in specialised areas (for example air pollution, climate and health, or occupational exposures), and a final independent research or practice component. Coursework emphasises quantitative skills, laboratory and field measurement techniques, data analysis, and science-to-policy translation.

Entry requirements

• Academic qualifications: An undergraduate degree from a recognised institution, typically in a relevant science, engineering, public health or health-related discipline. Strong applicants often have coursework in biology, chemistry and mathematics/statistics.
• Application materials: Academic transcripts, a personal statement describing research or professional goals, and at least two academic or professional references.
• Research or practical experience: Prior laboratory experience, fieldwork or relevant employment is advantageous, particularly for research-focused pathways.
• Standardised tests and English language: Requirements for standardised tests or English-language proof depend on the applicant’s background and programme policies; applicants whose first language is not English will normally need to show proficiency through an accepted exam or equivalent evidence.
• Additional considerations: Some specialisations or faculty-led projects may expect demonstrable quantitative skills (for example in statistics, programming or analytical chemistry) or prior coursework relevant to the chosen area of study.

Career prospects

Graduates progress into roles across government, industry, academia and the non-profit sector. Common job titles include environmental health scientist, exposure scientist, environmental epidemiologist, risk assessor, occupational health specialist, environmental consultant and policy analyst. Employers include national and local public-health agencies, environmental protection and regulatory bodies, consultancies, research institutes, international organisations and NGOs. Many graduates continue to doctoral study or professional qualifications if they aim for research leadership or academic careers.

Why study at John Hopkins University

• Leading public health school: The programme is housed within a major public health faculty known for strengths in environmental and occupational health research and for integrating laboratory, field and policy-relevant work.
• Interdisciplinary research and facilities: Students have access to specialised laboratories, exposure assessment resources, and centres focused on air quality, water and global environmental health, as well as training in GIS and advanced analytical methods.
• Professional links and practicum opportunities: Proximity to national public-health and regulatory agencies, plus partnerships with local and international organisations, supports practicum placements and professional networking.
• Faculty and mentorship: Teaching and supervision come from faculty active in applied and translational research, enabling students to work on projects that inform policy and public-health practice.