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Half the world’s 100 largest cities are in high water stress areas, analysis finds

22 janvier 2026 à 07:00

Exclusive: Beijing, Delhi, Los Angeles and Rio de Janeiro among worst affected, with demand close to exceeding supply

Half the world’s 100 largest cities are experiencing high levels of water stress, with 39 of these sitting in regions of “extremely high water stress”, new analysis and mapping has shown.

Water stress means that water withdrawals for public water supply and industry are close to exceeding available supplies, often caused by poor management of water resources exacerbated by climate breakdown.

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© Photograph: Kirby Lee/Getty Images

© Photograph: Kirby Lee/Getty Images

© Photograph: Kirby Lee/Getty Images

Schools, airports, high-rise towers: architects urged to get ‘bamboo-ready’

22 janvier 2026 à 07:00

Manual for building design aims to encourage low-carbon construction as alternative to steel and concrete

An airport made of bamboo? A tower reaching 20 metres high? For many years, bamboo has been mostly known as the favourite food of giant pandas, but a group of engineers say it’s time we took it seriously as a building material, too.

This week the Institution of Structural Engineers called for architects to be “bamboo-ready” as they published a manual for designing permanent buildings made of the material, in an effort to encourage low-carbon construction and position bamboo as a proper alternative to steel and concrete.

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© Photograph: MOSO Bamboo

© Photograph: MOSO Bamboo

© Photograph: MOSO Bamboo

What happens when the taps run dry? England is about to find out | Aditya Chakrabortty

22 janvier 2026 à 07:00

It’s not just Tunbridge Wells – a country famous around the world for its rain is in danger of self-imposed drought

You get up and go to the loo, only to find the flush doesn’t work. You try the shower, except nothing comes out. You want a glass of water, but on turning the tap there is not a drop. Your day stumbles on, stripped of its essentials: no washing hands, no cleaning up the baby, neither tea nor coffee, no easy way to do the dishes or the laundry. Dirt accumulates; tempers fray.

The water company texts: we are so sorry; colleagues are working to restore connection; everything should soon be normal. You want to believe them, but the more it’s repeated, the more it becomes a kind of hold music. There’s no supply the next day, and the day after, and the day after that. Each morning brings with it the same chest-tightening question: what will happen today? Buckets and bottles don’t stop you feeling grubby and smelly, or from noticing the taint on your family and friends and neighbours. You’re not quite the people you thought you were and nothing feels normal.

Aditya Chakrabortty is a Guardian columnist

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© Illustration: Thomas Pullin/The Guardian

© Illustration: Thomas Pullin/The Guardian

© Illustration: Thomas Pullin/The Guardian

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