The importance of environmental studies in the UPSC curriculum lies in its relevance to contemporary issues like climate change, biodiversity loss, and sustainable development. These topics are integral to national and global policies and are extensively tested in the examination. Furthermore, understanding ecological principles enables aspirants to appreciate the interconnectedness of human, economic, and environmental factors, aligning with the GS papers. Proficiency in environmental studies is essential for candidates aspiring to work in governance, where these issues increasingly influence decision-making and policy formulation.