Delhi pollution: Why it's not just about firecrackers and stubble burning

Delhi is once again in the grip of a strangulating smog with crop stubble burning and fireworks on Diwali contributing to the worsening air quality. However, there are multiple other contributors to air pollution in the national capital. These include construction dust, vehicular emissions, and garbage burning. Hindustan Times editor-in-chief Sukumar Ranganathan and senior editor Aditi Prasad decode what politicians must do for short-term and long-term relief. Watch the full video for more.