THURSDAY Prime Minister Costas Karamanlis attends NATO summit in Bucharest. To tomorrow. Development Minister Christos Folias to meet with Chinese Minister for Science and Technology Li Xueyong. Employees at the Bank of Greece stage a 24-hour strike, opposing social security reforms. The Public Power Corporation’s workers union (GENOP-DEH) stages a demonstration at 10 am outside the King George Hotel, where the DEH board is to meet, to protest plans by PPC and the Halyvourgiki steelworks to construct a new power station at Thriasio Plain. Parliament Speaker Dimitris Sioufas visits New York to attend events marking Greek Independence Day. He will meet with Archbishop Dimitrios of America. Athens Metro workers stage a two-hour work stoppage from 10 am to noon in solidarity with two Athens tram workers who have been laid off. Communist Party General Secretary Aleka Papariga visits Thessaloniki. Deputy Agriculture Minister Costas Kiltidis to inaugurate the 10th International «Diana Outdoor 2008» fair at 6 pm at the Mediterranean Exhibition Center in Paeania. For details, log on to www.diananews.gr. FRIDAY Athens Academy in collaboration with the National Technical University of Athens host a conference on «Energy and Environment,» starting at 9 a.m. at the Academy premises, 28 Panepistimiou. Deputy Environment Minister Stavros Kaloyiannis will speak. Tel. 210.772.3604 or log on to www.ntua.gr. President of the Coalition of the Radical Left (SYRIZA) Alexis Tsipras visits Thessaloniki. To Sunday. The Greek Postal Service (ELTA) is hosting the third marketing forum, titled «Communication on a New Course,» starting at 9 a.m. at the Athens Concert Hall. Transport Minister Costis Hatzigakis will speak. Tel. 210.6729158. The second «Kid and Fun» exhibition opens at the Helexpo fairgrounds in Thessaloniki and will run through Sunday. Opening hours: Friday 3-9 p.m., Sat-Sun 10 a.m. – 9 p.m. For details, call 2310.291.111 or log on to www.helexpo.gr. Finance Minister Giorgos Alogoskoufis to attend informal Ecofin meeting in Slovenia. To tomorrow.