The 2026 monsoon is failing, the Cauvery catchment is running dry, and the reservoirs feeding Bengaluru are alarmingly low. So Arati Kumar-Rao and Prem Panicker call back the one person who can tell us what it means: S. Vishwanath, who first argued on Season 1 of this show that the city's water crisis was one of management, not scarcity -- a statement now tested against a year when the rain genuinely didn't come. We've long wanted to bring guests back to finish conversations the clock cut short; Vishwanath is our first encore, and the moment couldn't be more fitting. FOLLOW S VISHWANATH: X (Twitter): https://x.com/zenrainman Instagram: https://instagram.com/zenrainman Biome Environmental Trust: biometrust.org The Climate Charche Podcast, hosted by Vishwanath: https://bengaluru.sciencegallery.com/anthropocene-programmes/climatecharche SHOW NOTES: Major talks over the past year: Cauvery water crisis in Bangalore: https://www.youtube.com/watch?v=HrGkWHGnhpA Professor M R Krishnamurthy Memorial Lecture: https://www.youtube.com/watch?v=cLhxJmac69E Smart water infrastructure for future cities: https://www.youtube.com/watch?v=mmjEUK3pqRg Can Indian cities solve the looming water crisis?: https://www.youtube.com/watch?v=flUc-zEt7_c The Hindu interview: Is the urban water system breaking? : https://www.thehindu.com/opinion/op-ed/is-the-urban-water-system-breaking/article68027545.ece LinkedIn Post: A crisis is brewing in the Kaveri catchment: https://www.linkedin.com/posts/vishwanath-s-12ab302a_there-is-a-crisis-brewing-in-the-kaveri-catchment-activity-7471485272015163392-SUZq/ FLASHBACK: The 12 May 2025 episode with S Vishwanath on From the Marginlands (see also, show notes below the video): https://www.youtube.com/watch?v=XGsQU6l9REY&t=3227s Since much of what we spoke of then is relevant to this episode, here is a quick recap: Reading a landscape, and what it hides: Arati opened with a photograph of the Teesta in Bangladesh in the dry season: a river that looks idyllic but conceals displacement, upstream dams and failed water-sharing treaties. The point that framed the whole hour: a beautiful image of water is never enough without the history and politics underneath it. From there the conversation moved through Robert Macfarlane's Is a River Alive?, the idea of "linguistic erosion" as local words for the land disappear, and the thorny question of whether rivers should have legal personhood, with Arati wary of "ventriloquising" nature while the systems that actually govern water ignore the ground. Water as a social good, not just H₂O: Vishwanath told the story of the Rainwater Club and Biome Trust, and of the Mannu Vaddar community of traditional well-diggers whose knowledge of soil and shallow aquifers underpins his work. He argued that the "genie is out of the bottle" on recharge wells in Bengaluru, that shallow aquifers are a genuine, sustainable alternative to ever-deeper borewells. He demystified groundwater with the image of a "sponge" beneath our feet, and delivered the metaphor that recurs throughout this new episode: India treats groundwater as a recurring deposit, a savings account we keep raiding, rather than a fixed deposit held for emergencies. Who benefits from the water?: Using lake rejuvenation in Kolar as his example, Vishwanath argues that the decisive question is never engineering but distribution. Who actually gets the water? Define the problem wrong, prioritise engineering over equity, and you are "doomed to a cycle of failure." Digital advocacy, the ideal city, and a call to action: We asked if digital environmental advocacy is mostly superficial. His answer then, which we test directly in this new episode, was that digital media is often shallow, but essential for building a credible, fact-checked "position" from which to push for policy change. He laid out his "six lenses of sustainability" for cities — social, technical, institutional and others — and his vision of cities like Bengaluru as "water and fertilizer factories," using treated wastewater to drought-proof their hinterland rather than drain it. Vishwanath closed the previous episode on the question of responsibility balanced against rights: fix your leaks, use gentler detergents, adopt a local lake or school, hold the state to account. And remember that a right to water comes with a responsibility toward it. That optimism — "management, not scarcity" — is exactly what a failed monsoon now puts to the test. And that is why S Vishwanath is the first of our returning guests -- so that we can test today's reality against yesterday's thesis, and see if the governing principles of water management still hold true in a year of scarcity. EOM Contact us: Email the Podcast Arati Kumar-Rao on Instagram Prem Panicker on X (Twitter) Prem on Substack From The Marginlands on Instagram
