THURSDAY Prime Minister Costas Karamanlis to address an event in honor of Leonidas Kyrkos at 6.30 p.m. at the Pallas theater. Nikaia Olympic Center to be handed over to the University of Piraeus at an official ceremony at 11 a.m. Education Minister Evripidis Stylianidis and Culture Minister Michalis Liapis to attend. Education Minister Evripidis Stylianidis to meet with EU Commissioner for Multilingualism Leonard Orban at 4.30 p.m. Deputy Foreign Minister Petros Doukas to attend the 18th meeting of the council of foreign ministers from the Black Sea Economic Cooperation organization (BSEC) in Kiev, Ukraine. Strike action by public transport employees is scheduled for today in protest at the dismissal of two Athens Tram workers. Tram drivers will stage a four-hour work stoppage, from 8 a.m. to noon. Blue buses will not be operating from the begining of their shift until 7 a.m. and from 10 p.m. until the end of the shift. Metro and Athens-Piraeus electric railway (ISAP) drivers will strike from 11 a.m. until 3 p.m and from 9 p.m. to the end of their shift. The national federation of state hospital employees (POEDHN) stage a work stoppage from 11.30 a.m. to 2.30 p.m. over financial demands. The Agriculture Ministry is hosting a conference on «Other Agriculture and Young Farmers,» starting at 9.30 a.m. at the Secretariat General of Communication, 11 Fragoudi. EU Commissioner for Agriculture Mariann Fischer Boel and Agriculture Minister Alexandros Kontos will speak. See www.ypan.gr. WWF Hellas is hosting a conference on «Climate Change in the Mediterranean and Greece,» at 11 a.m. at the Fresh Hotel in Athens. Tel. 210.331.4893 or see www.wwf.gr. The 13th international tourism exhibition «Tourist Panorama» opens its doors at the Expo Athens in Anthoussa. To Sunday. See www.touristpanorama.gr. Health Minister Dimitris Avramopoulos to attend informal EU health ministers’ meeting in Slovenia. To tomorrow. Easter shopping hours come into effect. Stores will be open from 9 a.m. to 9 p.m. daily. The Mediterranean SOS Network is hosting a conference on «Building Eco-Neighborhoods in the Mediterranean: Viable Cities and Local Governance,» starting at 9 a.m. at the Titania Hotel in Athens. Tel. 210.822.8795 or see www.medsos.gr.