Environmental issues are a key component of the UPSC syllabus, highlighting the importance of sustainable development and environmental conservation. Topics such as climate change, biodiversity, and pollution control are crucial for both Preliminary and Mains examinations. Candidates are expected to understand the impact of environmental degradation on socio-economic factors and be familiar with national and international environmental policies. This awareness prepares aspirants for tackling real-world challenges that civil servants face in planning and implementing sustainable policies.