TUESDAY The General Confederation of Greek Labor (GSEE) holds a press conference on social security and the 2008 collective pay pact for 2008. At 1 p.m. at 69 Patission. The Bank of Greece stages a 24-hour strike. WEDNESDAY The Hellenic Society for the Protection of the Environment and Cultural Heritage holds a conference on «The Central Archaeological Council (KAS) and the Central Council for Contemporary Monuments (KSMN): Problems and Proposals,» starting at 5 p.m. at its premises in Plaka. Tel. 210.322.5245 or log on to www.ellinikietairia.gr. Doctors without Borders hosts an auction of art to raise money to provide support to malnourished people in Niger. At 7.30 p.m. at the Politeia Tennis Club. The Manufacturing Chamber of Piraeus is hosting a conference on «Current Developments in Social Security: Women Entrepreneurs,» at 6 p.m. For details, log on to www.bep.gr. The Association for the Modernization of Society (OPEK) to present the book «The Position of Greece in the International, European and Regional System,» by Panayiotis Ioakeimidis. At 7 p.m. at the Costis Palamas Cultural Center of the University of Athens (48 Academias & Sina). Tel. 210.338.7427. The Center of European Constitutional Law holds a conference titled «The Political System in Crisis,» at 12.30 p.m. at the Athens Journalists’ Union. MPs Kyriakos Mitsotakis, Andreas Loverdos and Fotis Kouvelis will speak. Tel. 210.-362.3506 or log on to www.cecl.gr. THURSDAY The Marfin Investment Group holds an EGM at 5 p.m. at the offices of the Investment Bank of Greece in Maroussi. The Data Center Operations conference on «Storage Server Management, Energy Efficiency Security, Innovative Cabling,» starts at 9 a.m. at the Dais conference center in Maroussi. For details, log on to www.datacenterconference.gr. A three-day conference titled «Franchising,» begins at the American College of Athens. FRIDAY The Regulatory Authority of Energy (RAE) holds a press conference to present its program aiming at raising consumers’ awareness on the rational use of energy. At 2 p.m. at the Hotel Grande Bretagne. Thessaloniki’s Aristotle University is hosting the fifth medical conference on «Sexual Health, Contraception and Low Birth Rate,» at 8 a.m. at the Macedonia Palace Hotel in Thessaloniki. To Sunday. For details, log on to www.auth.gr. The 11th International Exhibition on Packaging, Equipment, Printing and Storage, «Syskevasia 2008,» organized by Branch Commercial Exhibitions, opens at the Expo Athens in Anthousa. To Tuesday. For further information, tel 210.805.6205 or log on to www.syskevasia-expo.gr. The National Research and Technology Network (EDET) and the Development Ministry hold the second international conference on «e-Business in Travel, Tourism and Hospitality,» at 9 a.m. at the Divani Caravel. For further details, log on to www.ebusinessforum.gr. The 13th Symposium on «Medicinal Chemistry,» begins at 9 a.m. at the Golden Age Hotel in Athens. To Saturday. Tel. 211.1001780 or log on to www.helmedchem2008.gr. The third Environmental Congress of Macedonia begins at 3 p.m. at Helexpo in Thessaloniki. The conference is hosted by the Association of Greek Chemists and will run through Monday. Tel. 2310.278.077 or log on to www.eex.gr. Transparency International, Thessaloniki branch, in cooperation with the Thessaloniki Chamber of Commerce and Industry hold a conference on «The Contribution of Transparency to the Competitiveness of the Economy,» at 7.30 p.m. at the chamber. Development Minister Christos Folias will be the keynote speaker. For details, log on to www.ebeth.gr.