International Years UNESCO participates in the celebration of the following International Years, most of them proclaimed by the General Assembly of the United Nations: 2014 -International Year of Crystallography (ResolutionA/RES/66/284; implemented by UNESCO) 2013-Mathematics of Planet Earth 2013(not a UN international year, under the patronage of UNESCO) 2013 -International Year of Water Cooperation(ResolutionA/RES/65/154; Coordinated by UNESCO on behalf of UN-Water) 2012 -International year of Cooperatives (Resolution 64/136) 2011-International Year of Chemistry 2011- International Year of Forests 2010-International Year for the Rapprochement of Cultures 2010-International Year of Biodiversity 2009- International Year of Reconciliation 2009-International Year of Astronomy 2009-Year of the Gorilla 2008-International Year of Planet Earth 2008-International Year of Languages 2005-International Year for Sport and Physical Education 2004-International Year to Commemorate the Struggle against Slavery and its Abolition 2003-International Year of Freshwater 2002-United Nations Year for Cultural Heritage For a comprehensive list of all years the United Nations and its Specialized Agencies observe seeInternational Years.