Environment and ecology play a significant role in the UPSC syllabus, primarily due to their implications on sustainability and development issues. The syllabus includes topics covering biodiversity conservation, climate change, and environmental policies. Aspirants must understand both ecological principles and human impacts on the environment. Additionally, examining contemporary environmental challenges and government initiatives fosters a well-rounded perspective. Knowledge in this area enhances candidates' ability to address related questions in both written examinations and interviews, reflecting their awareness of pressing global issues.