India, Nov. 3 -- Delhi's annual struggle with toxic air has become an unfortunate ritual. Each winter, the Air Quality Index (AQI) spikes to hazardous levels, schools shut down, masks return, and public outrage erupts-only to fade until the next smog season. Decades of bans, restrictions, and blame games have done little to clear the skies. To truly breathe easy, Delhi must go beyond regulatory quick fixes and embrace solutions that engage every citizen, policymaker, planner, and business. Nature-based solutions (NBS)-green roofs, urban forests, blue-green corridors, and rain gardens-offer a path to not only cleaner air but also climate resilience. The real question is not whether Delhi can afford to adopt them, but whether it can afford no...