Environmental Governance, Community Engagement: ESG BROADCAST shares key takeaways.
The United Nations Environment Programme (UNEP) has conferred its highest environmental honour, the 2025 Champions of the Earth Award, upon Indian Administrative Service (IAS) officer Supriya Sahu in the “Inspiration and Action” category. This international recognition showcases the transformative potential of sub-national climate action, positioning the Indian state of Tamil Nadu as a global model for environmental stewardship and community-driven resilience. Sahu, currently serving as Additional Chief Secretary for the Department of Environment, Climate Change and Forests, was recognized for pioneering large-scale ecosystem restoration and scalable cooling innovations.
Sahu’s tenure has been characterized by programs delivering tangible, quantifiable results across all three pillars of the environmental, social, and governance (ESG) framework. Under her leadership, the state launched ambitious “Green Missions,” backed by the Tamil Nadu Green Climate Company, India’s first state-owned, not-for-profit climate vehicle. These programs have successfully led to the planting of over 100 million trees, establishing 65 new reserve forests, and doubling the state’s vital mangrove cover.
The social impact is equally profound and critical for ESG reporting. Sahu’s initiatives are cited for creating approximately 2.5 million green jobs and directly enhancing the climate resilience for nearly 12 million people. A notable social innovation is the Cool Roof Project, a sustainable cooling initiative implemented in 200 public “green schools,” which uses reflective white paint and ventilation to reduce indoor temperatures by up to 8°C, protecting vulnerable student populations from rising urban heat.
The foundation of Sahu’s work is rooted in effective governance and grassroots engagement. Her reputation as a “green crusader” stems from her early tenure as District Collector in the Nilgiris, where she launched the highly successful “Operation Blue Mountain” in 2000 to eliminate single-use plastic—a practice that was ahead of its time. On the biodiversity front, Sahu established a US$60 million Endangered Species Conservation Fund to safeguard iconic species like the dugong and slender loris, alongside expanding the state’s Ramsar-listed wetlands from just one to 20 sites.
Strategic significance lies in how Sahu’s award provides a blueprint for effective sub-national environmental governance in the Global South. For investors evaluating sovereign and regional risk, the measurable success in Tamil Nadu showcases how dedicated political will and integrated policy (or “climate budgeting”) can translate global goals, like SDG 13 (Climate Action) and SDG 15 (Life on Land), into local economic opportunities and social resilience. This model—where administrative efficiency meets significant private and community participation—sets a high benchmark for operationalizing climate strategy at the state level, mitigating both environmental decay and associated climate-related social instability risks.




