The Thirst for Water

Discovery

BBC

Science, Technology

4.3 • 1.2K Ratings

🗓️ 19 July 2025

⏱️ 50 minutes

🔗️ Recording | iTunes | RSS

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Summary

On this episode of The Evidence, Claudia Hammond discusses all things hydration with a panel of experts. Where do our hydration guidelines come from? How do we determine the perfect amount of water we should drink? What are the issues with water access that people and populations face aroud the globe? And how will climate change affect the amount of water we need, and our access to it. In front of a live audience at the Wellcome Collection in London, Claudia discusses these questions and more with Neil Turner, nephrologist and professor emeritus at Edinburhg University, Yael Velleman, Director of Policy and Innovation at Unlimit Health, working at the intersection of water access, sanitation, and disease; and Anthony Acciavatti, an associate professor at Yale Architecture School and creator of the exhibtion Groundwater Earth: The World Before and After The Tubewell.

Transcript

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0:00.0	Get closer to the action with live commentary from the world's greatest sporting events on BBC Sounds.
0:06.1	It is all over!
0:08.4	Bulls are edge, caught behind.
0:10.6	Including cricket Super League, women's Euros 2025, Wimbledon, Formula One and much more.
0:17.6	It's all right to the lights and foot to the floor.
0:20.0	Oh, what a's done it!
0:21.3	Drop shots!
0:22.9	Winner!
0:23.6	On five sports extra,
0:25.0	Sports Extra 2 and Sports Extra 3.
0:27.6	Listen, only on BBC Sounds.
0:34.7	Hello and welcome to the evidence from the BBC World Service.
0:43.2	I'm Claudia Hammond, and in this series we take a single health issue
0:47.1	and we delve deep into the research behind it with the help of an expert panel and our live audience.
0:53.9	Do say hello.
0:56.3	And today we are back in the gorgeous reading room at Welcome Collection in London
1:00.5	to talk about hydration, water and health.
1:03.7	And two floors below us, a brand new exhibition called First in Search of Freshwater,
1:09.0	has just opened.
1:09.8	And I looked round it last night, and it is
1:11.5	absolutely fascinating. And I hope that some of you in the audience here today have had a chance
1:15.8	to have a look, too. Now, since we're in the UK and we're talking drink, can I get a big
	...

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