Climate Smart Agriculture and Food Security, a comprehensive guide, delves into the fundamental concepts of weather and climate, the influence of weather and climate on agriculture, the challenges posed by climate change to food security, and the management of climate change through climate smart agriculture, which encompasses adaptation and mitigation strategies, as well as the adoption of climate-resilient agricultural practices.The first seven chapters cover the basics of climate and weather, the climate of India and Odisha, the relationship between climate and crop production, the impact of climate change on agriculture, the challenges posed by climate change to food security, and the fundamentals of climate smart agriculture.Chapters 8 to 10 provide a detailed overview of climate smart agriculture strategies, practices, and the concept of climate smart villages. The extension approach to climate change is explored in Chapter 11.The authors have made a concerted effort to enhance the readability of the book and incorporate the most recent research findings, citing relevant authors throughout the text. This book will be of great use to students, researchers, policymakers, planners, field officers, non-governmental organizations, and scholars alike.