Plan 1 Research Only 
Plan 1.1 For students with Master's Degree
(1) Hold a Master's Degree of science or engineering program in environmental or other related fields which accredited by the Office of the Permanent Secretary, Ministry of Higher Education, Science, Research and Innovation
(2) Have cumulative GPA not less than 3.50
(3) Have an English Proficiency Examination score as the requirement of the Faculty of Graduate Studies Mahidol University
(4) Have experience in conducting research as a principal investigator or co-researcher for a period of not less than 5 years with a minimum of one research article which have been published in peer-reviewed academic journals, as the first author or the corresponding author. Those research articles must not be a research article used for graduation in any degree of both national and international institutions.
(5) The candidate who does not pass the criteria (2) and (3) may be considered for application and selection by the Program Administrative Committee and the Dean of the Faculty of Graduate Studies

Plan 2 Coursework and research  
Plan (2.1) For students with Master's Degree
(1) Hold a Master's Degree of science or engineering program in environmental or other related fields which accredited by the Office of the Permanent Secretary, Ministry of Higher Education, Science, Research and Innovation
(2) Have a cumulative GPA not less than 3.50
(3) Have an English Proficiency Examination score as the requirement of the Faculty of Graduate Studies Mahidol University
(4) The candidate who does not pass the criteria (2) and (3) may be considered for application and selection by the Program Administrative Committee and the Dean of the Faculty of Graduate Studies
		
Plan 2 (2.2) For students with Bachelor's Degree
(1)Hold a Bachelor's Degree of science or engineering program in environmental or other related fields which accredited by the Office of the Permanent Secretary, Ministry of Higher Education, Science, Research and Innovation
(2) Have a cumulative GPA not less than 3.50, or not less than the second class honors 
(3) Have an English Proficiency Examination score as the requirement of the Faculty of Graduate Studies Mahidol University
(4) The candidate who does not pass the criteria (2) and (3) may be considered for application and selection by the Program Administrative Committee and the Dean of the Faculty of Graduate Studies

-  Academician in environmental technology of government and private sectors in national and international organization and independent organization 
-  Academician in environmental management
-  Entrepreneur in environmental management
-  Supervisor of water and air pollution controls, and industrial waste management, and solid and hazardous waste management