The refresher course will also provide an excellent opportunity to participants to know about the science of climate change, climate change modellings/ projections, impacts of climate change on water resources, energy, natural ecosystems, forests, agriculture, international systems, climate change policies, vulnerability and adaptation strategies with special reference to mountains. Objective of this course is to understand the Science of climate change, climate change modelling/ projections, impacts of climate change on water, glaciers, agriculture, natural ecosystems and forests, international systems of UNFCCC, IPCC and national scenario and climate change policies, vulnerability and adaptation strategies with reference to mountains. Since climate change is of paramount importance in the study of various branches of science and technology, the objective of this course is to create interest in students, research scholars, young faculty of  colleges and institutions. These diverse aspects of hydrology will be explored in this refresher course, expose participants to many important aspects of climate change.