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The Inquiry
Why are our taps running dry?
The Inquiry
Feb 10, 2026

Chennai, São Paulo, Mexico City, Tehran, Cape Town - these cities have all faced the threat of a ‘Zero Day’, or, having no fresh water left in their taps.

The UN says we’re entering a ‘water bankruptcy’ era, meaning our water ‘current accounts’ are running empty, while our ‘savings accounts’ - the long term stores of water deep underground - have been depleted, with some beyond repair.

So how did we get here?

From clearing forests for cattle grazing, to thirsty AI data centres, Rajan Datar examines the pressures on our global water supply and looks for solutions.

Contributors: Jayshree Vencatesan, Co-founder, Care Earth Trust, India Augusto Getirana, research scientist at NASA's Hydrological Sciences Laboratory, USA Prof Bridget Scanlon, Bureau of Economic Geology, University of Texas, USA Dr Jie-Sheng Tan Soo, Director, Institute for Environment and Sustainability, National University of Singapore

Presenter: Rajan Datar Producer: Phoebe Keane Researcher: Evie Yabsley Editor: Richard Fenton-Smith Technical Producer: Cameron Ward Production Management Assistant: Liam Morrey

(Photo: Indian women with empty plastic pots protest as they demand drinking water. Credit: Arun Sankar/Getty Images)

More Episodes
Apr 21, 2026
Cycling: Is it time to swap four wheels for two?

Conflict in the Middle East has led to volatility in global oil prices, pushing up fuel costs worldwide. Previous oil shocks prompted some countries to reconsider their reliance on cars, investing in alternatives such as cycling. In some places, this has become part of everyday life, while elsewhere it has proved more contested, reflecting wider political and cultural divides.

Cycling offers benefits for health and the environment, but it is not practical for everyone. For many people, including those in rural areas or with limited mobility, cars remain everyday essentials.

As oil price volatility continues to affect motorists, questions remain about how far behaviour can change.

This week on The Inquiry, we’re asking: is it time to swap four wheels for two?

Contributors: Meredith Glaser, CEO of Urban Cycling Institution, professor of cycling at Ghent University, Belgium, and a senior lecturer at the University of Amsterdam, the Netherlands Levke Sönksen, research associate at the German Institute of Urban Affairs, Germany Dr Eunhye Enki Yoo, professor of Geography at the University of Buffalo, US Martin Tillman, independent transport consultant, UAE

Presenter: Gary O’Donoghue Producer: Matt Toulson Researcher: Evie Yabsley Editor: Tom Bigwood Technical Producer: Richard Hannaford Production Management: Phoebe Lomas and Liam Morrey

(Photo: Cyclists ride bicycles in Amsterdam. Credit: George Clerk/Getty Images)


24min 38sec


Apr 7, 2026
Is it time to scrap the Commonwealth Games?

For the second time in 12 years Glasgow is preparing to host the Commonwealth Games after Australia’s Victoria state pulled out because of increased costs. Victoria’s withdrawal raised questions about whether the 2026 games would go ahead before Glasgow agreed to step in.

Staging a sporting mega-event is expensive and governments face increasing scrutiny over public spending. Victoria’s decision raised wider questions about affordability for potential hosts. At the same time, critics question the Games’ political relevance, given its origins in Britain’s colonial past.

The Commonwealth Games Federation says the event can be delivered in a more sustainable way and argues that it brings cultural and economic benefits to host cities, but recent editions have run into significant costs and budget pressures.

This week on The Inquiry, Tanya Beckett asks ‘Is it time to scrap the Commonwealth Games?’

Contributors: Dr Stuart Whigham, senior lecturer in sport, coaching and physical education at Oxford Brookes University, UK Dr Matthew McDowell, lecturer in sport policy, management, and international development at the University of Edinburgh, UK Dr Verity Postlethwaite, lecturer in strategic event management at Loughborough University, UK Professor Gayle McPherson, associate dean for research at the University of the West of Scotland, and director of legacy and community engagement for Commonwealth Games Scotland, UK

Presenter: Tanya Beckett Producer: Matt Toulson Researcher: Evie Yabsley Editor: Tom Bigwood Technical Producer: Craig Boardman Production Management: Phoebe Lomas and Liam Morrey

(Photo: 2022 Commonwealth Games gold medals. Credit: Adrian Dennis/Getty Images)


23min 58sec


Why are our taps running dry?

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