One can feel nature best of all only being immediately in the open air. However, words also perform wonders: having read the lines we can form in thoughts an image of the forests, banks of the rivers, and discover for ourselves a wonderful world beyond the city’s borders. For the purposes of environmental development the State Public Science and Technical Library of Russia and V. I. Vernadsky Non-Governmental Ecological Fund announced holding of the International Competition "Biblio-Green in Sustainable Peace". Libraries and organizations’ teams in the field of education and culture of the Russian Federation, countries of near and far abroad, having experience in the field of environmental information and environmental education, are invited for participation. Acceptance of participants’ material shall be carried out until March 1, 2019.