In a society based on the knowledge development the quickly and efficacious transfer and gathering of information is needed. The information ecology can contribute to optimization of this process. Information ecology is a field of research that concerns mutual interactions between man and information, as well as the information relationships existing among people in public and private information spaces. It is a practical activity, too. The aim of the paper is to define the place of information ecology in the creating process of information society and to explain the role of academic library in this process.