D B Naik from Mumbai has emphasized that developing countries should lead in shaping global technological cooperation to tackle climate change. In a letter responding to 'The climate conundrum' (ET, Oct 9), he said, "We need global technological breakthroughs in energy systems, automobiles, building design, urban planning, food systems, etc., to mitigate the adverse effects of climate change in developing countries." Naik added that this approach could speed up the world's shift to sustainable technologies and create millions of jobs. He believes such progress would benefit both rich and developing nations. This call highlights the crucial role of innovation and international teamwork for a greener future.