Former Dr Soumya Swaminathan, ex-Chief Scientist at the World Health Organization (WHO), speaks exclusively to NDTV on the long-term impact of toxic air on children. #DelhiPollution #SoumyaSwaminathan #Medanta #AirPollution #DelhiAQI #ToxicAir #RespiratoryHealth #GreenCrackers #HealthCrisis #DelhiNews About NDTV (English news channel): NDTV is India's Most-Trusted News Broadcaster with the latest updates in news, sports, entertainment and much more from within India and around the world.