To celebrate World Water Day 2012 and highlight the importance of water conservation was held today at NUST arranged by Earthquake Reconstruction and Rehabilitation Authority ERRA in collaboration with National University of Science and Technology Islamabad. Ambassador of Cuba, representatives of US Embassy, Dr. Shehbaz from UNESCO Paris and other delegates attended the seminar, while Lt Gen Sardar Mahmood Ali Khan was the Chief Guest. Management of scarcity of water and exploring avenues for the effective implementation of water conservation strategy in Pakistan was the main focus where international and national experts, discussed rainwater harvesting as one of the most important and effective system of water conservation. ERRA introduced Rain Water Harvesting Program under its Water and Sanitation Program while rebuilding the destroyed areas of KP and AJK after earthquake 2005.