Climate Change and Water Security - An Introduction.- An Empirical Analysis to Assess Climate Change and its Effects on Water Scarcity Through Participatory Rural Appraisal (PRA) Approach in Chirirbandar Upazila, Dinajpur.- Scenario-Based Analysis of Climate Change Impacts on Muzza Irrigation District.- Assessment of Climatic Change Impacts on Runoff Generation of Upper Dhidhesa Sub Basin.- Flood Risk Assessment at The Douro River Estuary.