Srinivasan Iyengar, a senior program manager and air pollution expert, joins Arindam Goswami to discuss Delhi's smog crisis. They delve into unique insights from Iyengar's research on the counter-intuitive sources of pollution and the complexities of PM2.5 metrics. The conversation emphasizes the need for data-driven policies that tackle root causes, critiquing existing measures like the odd-even rule. They also explore innovative solutions, including the potential of nuclear energy and better public transport to improve air quality.