Foreign Minister Dora Bakoyannis visits New York to attend a series of summit meetings on the sidelines of the UN General Assembly. To Saturday.

The Institute of International Economic Relations (IDOS) holds a conference titled “The Role of Russia in the Broader Caucasus Region: Perspectives and Challenges,” at 6.30 p.m. at 16 Panepistimiou, Athens. For further information, call 210.362.0274 or log on to www.idec.gr.

World Carfree Day. Passengers can use public transport in Athens for free throughout the day.

Employees at the Transport Ministry begin a three-day strike to demand better pay and working conditions.

The University of Crete begins its international conference titled “Biomedical Sciences in Archaeology” at the Albatros Spa & Resort Hotel in Hersonissos, Crete. To Friday. For setails, call 210.931.1004 or log on to http://hist-congress.med.uoc.gr.

The University of Ioannina is hosting the 17th Academic Libraries congress on “The Evaluation of Libraries as a Quality Measure of Academic Institutes,” starting at 9 a.m. on the university campus. To Friday. For further information, call 26510.95958 or log on to www.uoi.gr.

The Coalition of the Radical Left (SYRIZA) Youth Festival begins in Protomagia Square at the Pedion tou Areos park in Athens. The three-day festival is taking place under the banner “Choose to Live not Just Survive” and events include concerts, conferences, exhibitions, visual arts workshops, chess contests and many other activities. To Sunday. For further information, log on to www.neolaiasyn.gr.

The reception halls of the French ambassador’s residence will be open to the public from 10 a.m. to 6 p.m. as part of celebrations for the European Days of Cultural Heritage.

The second scientific conference on “Black Sea Studies” begins at the Constantine Karamanlis Amphitheater in Drama. To Monday.