Environmental science is significant in the context of UPSC studies as it intersects with various subjects like geography, polity, and society. This understanding is crucial for tackling questions related to sustainable development, climate change, and environmental policies. Moreover, it helps candidates develop a holistic perspective on current environmental issues affecting India and the world. The focus on this subject also aligns with the national curriculum and underlines the importance of environmental governance, making it a key area for UPSC aspirants.