Students can enroll from a variety of backgrounds. Formal requirements are: a university bachelor degree in natural sciences or engineering with chemical AND biological or microbiological contents, including a bachelor thesis a letter of recommendation by their home institution (non-EU/EEA) a letter of motivation explaining why you want to study Water Science (1 page) good command of English (a copy of a English language proficiency certificate is required with at least TOEFL 100 (internet based) or IELTS 6.5 CHINESE students please note: You have to provide an APS certificate along with your application documents.