This book describes about the impact of climate change in Ganga Basin. The study basically focuses on the livelihood of people living in Nepal, Bhutan and India. It analyzes the consequences of climate change and its impacts on livelihood of people living in the region. It analysis the impacts of climate change in different scenarios using different climate models. Furthermore; the study elaborate the impact of climate change in water resources availability for the need of people living in the area. It also recommends some adaptation options to cope with the impact of climate change.