Show notes
This week, Grand Tamasha is launching a new four-part series on energy and climate issues in collaboration with CASI—the Center for the Advanced Study of India—at the University of Pennsylvania.
Over the next several months, we will be putting a spotlight on some of the most pressing energy and climate issues facing India—from India’s green transition to the effect of climate on its coastlines, and India’s multilateral climate diplomacy. And we will be doing so by leveraging the expertise of many CASI experts and affiliates.
The first part of this new series looks at the connection between pollution and politics. Air pollution is often treated as an environmental or public health problem. But it is also a deeply political one—shaped by what voters demand, what politicians believe they will get credit for, which sources of pollution governments choose to target, and which institutions are capable of compelling action.
To discuss why toxic air has proven so politically challenging in India—and what it might take to change that—Milan is joined on the show this week by Vaishnavi Chandrashekhar and Tariq Thachil.
Vaishnavi is an award-winning science and environment journalist based in Mumbai, and a former Visiting Fellow at CASI. She is a Contributing Correspondent for Science and an editorial consultant with The Times of India. She has previously worked as a staff editor at the Christian Science Monitor and editor of the magazine Time Out Mumbai.
Tariq is a Professor of Political Science at the University of Pennsylvania. From 2020-2025, he served as the Director of the Center for Advanced Study of India (CASI). Tariq has worked on political parties and political behavior, identity politics, urbanization and migration, but he is also developing a new research agenda on the political consequences of air pollution.
The trio discuss why India and South Asia sit at the epicenter of the global air pollution crisis, why toxic air produces such little political pressure, and what politicians actually know about India’s dirty air. Plus, they discuss the role of civil society, the courts, and ordinary citizens in holding politicians accountable on climate issues.
Episode notes:
1. Shikhar Singh and Tariq Thachil, “Why Is Air Pollution Not a Political Issue? Evidence from India,” Working Paper, March 13, 2026.
2. Vaishnavi Chandrashekhar, “Climate Change is Stretching Mumbai to its Limits,” The Atlantic, February 7, 2022.
3. Vaishnavi Chandrashekhar, “Optics, Ambition, and a Genuine Transition: Reflections from the Inaugural Mumbai Climate Week,” CASI India in Transition, August 4, 2026.
4. Vaishnavi Chandrashekhar, “Mumbai's air quality: ‘Time to look at city’s airshed & not just localised pollution,’”Times of India, October 30, 2023.