This report has been prepared by an independent consultant for the UN Regional Center for Preventive Diplomacy for Central Asia (UNRCCA), based on presentations and discussions at the International Seminar on glacier melting on national and trans-boundary water systems co-organized on 11-12 April 2013 in Almaty, Kazakhstan, by UNRCCA, UNESCO, EC IFAS and the World Bank for the 20th anniversary of IFAS. This report is a summary of the proceedings.