Chennai homes were turning into ovens during peak summer. 🌡️
For many families living under concrete roofs, indoor temperatures became unbearable.
That’s when IAS officer Supriya Sahu stepped in with a surprisingly simple idea.
Instead of expensive cooling systems, she launched the Cool Roof initiative — encouraging homes to apply solar-reflective white paint on rooftops.
The result?
Homes became 5–8°C cooler, making living spaces far more comfortable during extreme heat.
A solution that was low-cost, scalable, and climate-friendly.
The initiative didn’t just cool homes — it became a model for urban climate resilience.
In 2025, Supriya Sahu was honored with the Champions of the Earth Award, recognizing the impact of this simple yet powerful idea. 🌍
Sometimes, fighting climate change doesn’t need complex technology.
Sometimes, it’s just a coat of paint.
Could this be the future of cooling cities?
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