MONDAY Prime Minister Costas Karamanlis starts a series of visits to New Zealand, Australia and Vietnam. To May 27. Defense Minister Evangelos Meimarakis to meet with his Chinese counterpart Cao Gangchuan, who is paying an official visit to Greece. Synaspismos Left Coalition President Alekos Alavanos to meet with the Greek Radio and Television employees’ union (POSPERT). The first Biennale of Contemporary Art begins in Thessaloniki, hosted by the State Museum of Contemporary Art with the support of the Ministry of Culture. To September 30. For details, log on to www.thessalonikibiennale.gr. The 2007 World Recycling Convention and Exhibition begins at the Athens Hilton Hotel. To Wednesday. Tel. 210.337.9900 or log on to www.bir.org. The Athens Institute for Education and Research hosts the fifth international conference on «Communication and Mass Media,» at 9 a.m. at the Club Med Athenian on Marathonos Ave. To tomorrow. Tel. 210.363.4210. TUESDAY The Alexander S. Onassis Public Benefit Foundation in cooperation with the Hellenic Foundation for European and Foreign Policy (ELIAMEP) hosts a lecture on «The European Future of Serbia and Kosovo,» delivered by Professor Dusan Sidjanski of the University of Geneva and president of the European Cultural Center. At 8 p.m. at the Onassis Public Benefit Foundation, 56 Amalias Ave. The Sports Ministry will host a conference on «Experiences of the World Cup: Teamwork and the Road to Success,» at noon at the Metropolitan Hotel. Italian World Cup-winning coach Marcello Lippi will speak. WEDNESDAY The University of Athens will host the second European Cognitive conference at the European Cultural Center in Delphi. To Sunday. Tel. 210.727.5506 or log on to www.uoa.gr. The Eugenides Foundation and the Pedagogical Institute will host a conference on «Vocational Education in Greece: Problems and Prospects,» at 9.30 a.m. at the foundation’s facilities on Syngrou Ave. To Friday. For details, log on to www.eugenfound.edu.gr. Liverpool and AC Milan meet in the UEFA Champions League final at the Olympic Stadium in Athens. Kickoff at 7.45 p.m. THURSDAY The European Parliament Bureau in Greece and the embassies of France, Germany, Spain and Italy in Athens will hold a conference on «Printed Media in Europe: Current Challenges and Perspectives,» at 9.30 a.m. at the Old Parliament. Tel. 210.339.1035 or log on to www.ambafrance-gr.org. The University of Athens is hosting the 11th international conference of the Geological Society of Greece on «Athens 2007: Geoenvironment: Past, Present and Future,» at 9 a.m. at the university campus in Zografou. To Saturday. Tel. 210.727.4164 or log on to http://conferences.geol.uoa.gr. The 18th conference of the National Union of University Students of Greece (EFEE) begins in Athens. To Sunday. FRIDAY The Child’s Smile charity presents the Amber Alert Hellas program, the national coordination program aimed at ensuring prompt and reliable alerts in cases of missing and abducted children. At 11 a.m. at the Syntagma metro station. For details, log on to www.hamogelo.gr. The Hellenic Pasteur Institute is hosting a workshop on «Autoimmunity: Physiological and Pathophysiological Aspects,» at 5.30 p.m. at its premises, 127 Vas. Sofias Ave. To Sunday. The 45th Pediatric Conference begins at the Porto Carras Grand Resort Hotel in Sithonia, Halkidiki and will continue through Sunday. For details, log on to www.pediatric2007.gr. Saturday Prime Minister Costas Karamanlis visits Vietnam. To Sunday.