This book provides the world community with the most up-to-date and comprehensive scientific and technical knowledge based on climate change impact assessment, adaptation and mitigation strategies in the Indian Himalayan region. It identifies major issues related to climate change on environmental sustainability, focusing on impact measurement, policy, adaptation and mitigation strategies at national, regional and local scales. There is a need to strengthen the global response in order to cope with the threat of climate change. The main objective of this book is to update the understanding of scientific analysis and to promote evidence-based policy formulation at regional and local levels. This book on climate change is used as a reference material to climate change for new learners interested in the mountainous region of the Indian Himalayas. This comprehensive book covers a wide range of potential research areas including climate change scenarios, science and its applications, adaptation to climate change theory and assessment, water resources, agriculture, human health, forest, biodiversity, ecosystems, indigenous knowledge, etc.