Thursday UN agencies and representatives of regional governments meet in Piraeus to agree on a common strategy to address the pollution currently affecting the marine environment adjacent to the Lebanese and Syrian coasts due to the oil spill in mid-July. Merchant Marine Minister Manolis Kefaloyiannis is due to host the meeting. European Commissioner for the Environment Stavros Dimas will also attend the meeting. The council of Kokkinia, in co-operation with the town’s resistance organization, holds a three-day celebration in the honor and memory of the war casualties in 1944. The celebration begins with the congress of the Greek Martyr Towns and Villages Network at the council’s meeting room at 4 p.m. To Monday. Members of the Thessaloniki Committee for De-escalation and Peace protest the events in Lebanon in front of the Venizelos statue in Thessaloniki at 8 p.m. Friday The 6th WSEAS International Conference on signal processing, computational geometry and artificial vision is held in Aghios Nikolaos in Crete. For more information log onto www.wseas.org/conferences/2006/crete/iscgav. To Sunday. Saturday Communist parties from Southeast Europe and the Middle East to meet in Athens to discuss the crisis involving Lebanon, Israel and the Palestinians. The meeting will be hosted by the Greek Communist Party (KKE). Representatives from at least 12 communist parties are expected to attend. To Sunday. Sunday The first Advanced Summer School in Economics and Econometrics is held in Rethymnon, Crete. The topic is «Panel Data Econometrics» and Professor Manuel Arellano is the guest professor. To Sunday.