European Science Week.

PASOK leader George Papandreou to chair Socialists International meeting of its Commission for a Sustainable World Society, in London.

President Karolos Papoulias to meet with Cyprus House of Representatives President Demetris Christofias at 12.30 p.m.

Deputy Education Minister Andreas Lykourentzos to meet with Cypriot Education Minister Akis Kleanthous at 12.15 p.m.

Agricultural Development Minister Alexandros Kontos and State Minister Theodoros Roussopoulos to present the study for the reconstruction and development of the farming sector and forests and the protection of the environment in fire-stricken areas, at noon at Zappeion Hall.

The Coalition of the Radical Left (SYRIZA) hosts a conference on “Old Athens Airport: A Metropolitan Green Park,” at 9 p.m. at Glyfada Municipality. SYRIZA MEP Dimitris Papadimoulis will speak.

There will be no morning appointments at Thessaloniki state hospitals from today until the end of the month due to a strike by doctors pressing financial demands.

Defense Minister Evangelos Meimarakis to attend EU Defense Ministers meeting in Brussels.

Universal Children’s Day.

The second Corporate Social Responsibility forum on “Sustainable Development and Social Accountability” begins at 9 a.m. at the Athenaeum Inter-Continental Hotel. Development Minister Christos Folias and the President of the Federation of Greek Industries (SEV) will speak. Tel. 210.689.8594 or log on to www.qualitynet.gr/csrforum.

Judicial employees stage a two-hour work stoppage from 9 a.m. to 11 a.m.

The American-Hellenic Chamber of Commerce hosts the fourth annual “Taxation” conference, at 9 a.m. at the Hotel Grande Bretagne. Deputy Finance Minister Antonis Bezas will speak. Tel. 210.699.3559 or log on to www.amcham.gr.

The Aristotle University of Thessaloniki hosts an international conference on “Saint Ioannis Chrysostomos: From 407 to 2007,” at 9 a.m. at the university. Patriarch Theofilus of Jerusalem will attend. To Sunday. For details, log on to www.auth.gr.

The British Embassy in Athens hosts a conference on “The Economics of Climate Change,” at 9.30 a.m. at the British Ambassador’s residence. Deputy Environment Minister Stavros Kaloyiannis will speak. Tel. 210.727.2600.

The Greek Open University and the Cyprus Open University host the fourth international conference on “Open and Distance Learning,” at the Apollon conference center in Piraeus. To Sunday. For further information, log on to http://artemis.eap.gr.

The second nursing conference of the armed forces begins at the Grecotel Athens Imperial. To Saturday. Tel. 210.985.4313 or log on to www.cubeplanners.

International Day for the Elimination of Violence against Women.

The Hellenic Society for the Study of Aids is hosting the 19th Aids’ congress, at 9 a.m. at the Divani Caravel Hotel. To Tuesday. Tel. 210.722.3046 or log on to www.aids2007.gr.