This is an English course designed for docotor students of the Institue of Environmental Health and the Institute of Occupational Medicine and Industrial Hygiene.Students are expected to be familiar with research methodology, data analysis, data interpretation, and the development trends in the field of environmental health, occupational mediicne, and industrial hygiene. Students are required to make presentations to and communicate with people in the audiences. Presentations should be prepared on the basis of their own researches and literature reviews.