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Environmental problems represent a diverse array of complex challenges ranging from indoor pollution to geoenvironmental issues. The air, water, soil, human body, and global environment are all negatively affected in various ways by environmental emissions, energy consumption, and other consequences of human activity. An essential strategy for finding solutions to these problems is to approach them as a total system from the perspectives of matter, energy, processes, and environmental risks. Accordingly, the Department of Environmental Systems combines the tools of engineering, health science, ecology, economics, and political science to invent the integrated and elemental technologies necessary for surmounting environmental problems, and formulates schemata for environmental system analysis and integration, so as to lead the way to real solutions for environmental challenges.
Specifically, our research focuses on such areas as greenhouse gas control, waste processing systems, geodynamics, the effects of chemicals on human health, supercritical fluid environmental technologies, environmentally harmonious systems design, prediction of marine environment change, artificial environment creation, evaluation of initiatives for honoring Kyoto Protocol agreements, and analysis of the impact of financial engineering-based environmental policies. As part of our proactive efforts to expand into new fields of research, we have a course "Transition to a Cycle-Oriented Society" (a course offered with the cooperation of the National Institute for Environmental Studies).
 Educational Program Features

Our lecture-based curriculum is mainly composed of two programs designed to develop students as environmental engineers and environmental managers. The "Environment Engineer Training Program" fosters the engineering sense needed to find technological solutions to environmental challenges, and the "Environment Manager Training Program" nurtures the acumen required for engaging in environmental policy formulation and environmental risk management as a government officer or a business manager. To graduate from either program, students must attain the required number of credits by successfully completing courses that they select from the designated curriculum.
In addition to class work, however, it is very important for students to participate in field research so that they can actually measure and analyze environmental conditions. Therefore, we place strong emphasis on providing fieldwork opportunities that teach competencies not easily acquired in the classroom, such as techniques for environmental measurement and observation, and methods for interpreting and analyzing the data collected. These opportunities allow students to experience up close the actual state of environmental contamination, and to learn measurement techniques, assessment of errors between analysis and real phenomena, and other skills that cannot be learned just through lectures.In order to effectively deal with the broad spectrum of focuses covered by our department, we have assembled a faculty of experts from diverse backgrounds who provide in-depth classroom instruction and research guidance. Moreover, since our students come from various undergraduate experiences, their interaction through discussions, lectures, presentation sessions, and study groups allows them to come into contact with research work outside their fields, and thus broadens the horizons of their knowledge and research.
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