DB type: bibliographic and abstract. Number of entries: over 600. The DB contains information on Russian publications on ecology, environmental protection, and preservation. The author, imprint, call number, and Russian Book Chamber number are transliterated; other elements are given in English. Search elements: keywords, title, author, corporate name, conference name, document type, year, UDC number, RNPLST subject headings, DDC number, LCSH, call number, and Russian Book Chamber number.