The article deals with the possibilities of using wiki software in developing action competence in education for sustainable development courses at the university. The example of the course organized by the Faculty of Science, Charles University in Prague, examines the strengths and weaknesses of this type of teaching.
It is focused on both: on the outputs of the course and the related assessment of students' work, and on the process of creating a requisite academic essay, and last but not least, on the reflection of the course by students themselves. The article underlines the importance of choosing quality information resources and the ability to deal constructively with critical comments as important factors influencing the outcome of student work.
It describes the communication tools used in the process of writing an academic text and summarizes the results of a pilot version of the questionnaire survey, which despite some difficulties confirms students' interest in this type of teaching.