ENOne of important process at environmental planning is information change between scientist and citizens. Mostly zoo collections in Europe are defined like institutions that keep live wild animals; these institutions are exhibited to the public for seven days of the year. A lot of zoos and aquariums association (EAZA, ERAZA, WAZA) accents that zoo aim is motivate people understanding decrease of biological diversity problem and motivate people to take act for it saving. Zoos and aquariums are like extensive information center where citizens can relax, rest and most of all, learn a lot of world biodiversity and the need of its protection. At this process most importance is enabling the citizens concerned to understand environmental factors and respond to problems in a competent way with entertaining elements. For research object was chosen six Baltic Sea region zoos: Riga national zoological garden (Latvia), Latgale zoo (Latvia), Kaunas zoological garden (Lithuania), Tallinn zoological garden (Estonia), Helsinki zoological garden (Finland), Warsaw zoological garden (Poland), Plock zoological garden (Poland. The given researches were carried out during the 2010 September to 2011 February. During this period were studied zoo information environment: animal information, different zoo multimedia (text, video, audio, internet).Multimedia information in Zoos and aquariums should influence to public environmental awareness, based on biodiversity conservation on national level. Mostly zoo teaching activities and information for public are aimed on the promotion of environmental protection, endangered species, regional and world level endangered protecting and saving animal species projects. Keywords: animal collection, biological diversity, sustainable development, zoo.