International Weeks UNESCO participates in the celebration of the following International Weeks: 22-28 April 2012Education for All (EFA) Global Action Week 21-27 May 2012 (fourth week of May) International Arts Education Week (proclaimed by UNESCO -36C/Res. 38) 21-27 May 2012 (last week of May) Africa Week 26-31 August 2012World Water Week Green Accounting, with a Focus on World Water Scenarios for Our Future (26 August 2012) Seminar on the 2013 UN International Year and World Water Day on Water Cooperation (27 August 2012) Implementing the Right to Water (27 August 2012) Moving Forward: Lessons from the World Water Development Report 4 (27 August 2012) 18-22 February 2013UNESCO Mobile Learning Week (MLW) For a comprehensive list of weeks observed by the United Nations and its Specialized Agencies please consultInternational Weeks page of the UN website.