Ethics and information activities are related in a number of ways. This paper discusses the role of UNESCO regarding information ethics. The main commitment of UNESCO is ?free flow of information and access to knowledge sources,? and the organization has held various meetings and congresses to this purpose. Then the author?s project on mental mapping is discussed. The main focus of the project is on the question how interpersonal understanding is possible, and how this question is related to the problem of how human beings make decision in moral dilemma situations. The paper ends with a discussion of what is novel about information ethics in the age of computers.