In this week’s Debunking Economics podcast, Phil Dobbie and Prof. Steve Keen dive into the global water crisis under the banner “Trouble on the Waterfront.” They explore the paradox of Earth’s abundant water supply versus the tiny fraction that is actually accessible, highlighting UN figures that show billions still lack safe drinking water and sanitation. From the UK’s tight margins between renewable supply and consumption, to Australia’s surplus constrained by geography, and Iran’s alarming shortages that threaten the viability of Tehran itself, the discussion underscores how climate change and poor management amplify the risks. Along the way, they touch on desalination’s energy intensity, the embedded water footprint in consumer goods, and the stark reality that water scarcity is as much about distribution and governance as it is about absolute supply.

The conversation then pivots to the UK, where privatisation of the water industry has left infrastructure lagging. Keen points out that while the public sector once invested in long‑term projects like Kielder Reservoir, the private sector has built virtually no new dams since the 1990s, preferring short‑term profit over resilience. Together, they argue that essential resources like water and power require excess capacity and long‑term planning—something markets alone cannot deliver. With wit and urgency, the episode makes clear that water is the ultimate recyclable resource, but without effective stewardship, even countries famed for rainfall could face scarcity.

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