The Economic Times

No electricity, no bills. Rajasthans 100-year-old natural cooling system is made from clay, cow dung, and grass. It can keep food fresh even in hot summers

Rural India once relied on ingenious natural cooling. Rajasthan's 'desi fridge' used clay, cow dung, and grass to keep food fresh without electricity. Kerala's ancient kaavi flooring technique also kept homes cool. These eco-friendly practices are now fading due to modern technology. They showcase a sustainable past, offering lessons for the present.