Natarajan, S.Mondal, A.Kolathayar, S.2026-02-062022Lecture Notes in Civil Engineering, 2022, Vol.178, , p. 1-1023662557https://doi.org/10.1007/978-981-16-5501-2_1https://idr.nitk.ac.in/handle/123456789/30071This chapter presents basic concepts related to climate change and water security. Further, the chapter introduces the book volume on Climate Change and Water Security that includes various relevant topics for assessment of water quantity and quality in a changing environment, disaster risk, their possible future prognosis, as well as adaptation and protection measures. The focus is primarily on low-income countries such as India, Ethiopia, and Bangladesh, that may be particularly vulnerable to the adverse effects of climate change. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.Climate changeDisaster riskVulnerabilityWater qualityWater resourcesWater security