Understanding climate change and sustainability plays a crucial role in the UPSC syllabus due to its relevance in contemporary governance and policy-making. Aspirants must comprehend the socio-economic impacts of climate change and the significance of sustainable development practices. This knowledge aids in analyzing environmental policies and their effectiveness in addressing global challenges. Familiarity with sustainability frameworks prepares candidates for questions related to environmental management, resource allocation, and international treaties. Thus, grasping these concepts is essential for formulating informed responses addressing pivotal issues of public service.