Athens’ buried rivers: stream favoured by Plato could see light of day

The Greek capital entombed its major rivers in concrete during its car-centred postwar development. Now the most storied of them, Ilisos, could be set free

Photographs by Christian Sinibaldi

Walking through the densely built metropolis of Athens, few visitors or even locals realise the Greek capital was once crisscrossed by three major rivers, not to mention some 700 smaller streams that flowed into them.

The Kifisos, the Iridanos and the Ilisos were buried under concrete during the city’s postwar car-centred development, in what daily newspaper Kathimerini has labelled “a crime against the city”.

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World’s rivers ‘awash with dangerous levels of antibiotics’

Largest global study finds the drugs in two-thirds of test sites in 72 countries

Hundreds of rivers around the world from the Thames to the Tigris are awash with dangerously high levels of antibiotics, the largest global study on the subject has found.

Antibiotic pollution is one of the key routes by which bacteria are able develop resistance to the life-saving medicines, rendering them ineffective for human use. “A lot of the resistance genes we see in human pathogens originated from environmental bacteria,” said Prof William Gaze, a microbial ecologist at the University of Exeter who studies antimicrobial resistance but was not involved in the study.

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Microplastic pollution revealed ‘absolutely everywhere’ by new research

Contamination found across UK lakes and rivers, in US groundwater, along the Yantze river and Spanish coast, and harbouring dangerous bacteria in Singapore

Microplastic pollution spans the world, according to new studies showing contamination in the UK’s lake and rivers, in groundwater in the US and along the Yangtze river in China and the coast of Spain.

Related: Rivers of waste: Pakistan's recyclers go out on patrol – in pictures

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‘A three-generation project’: riverside development divides Indian city

The next 15 megacities #6: New facilities by the Sabarmati will provide Ahmedabad with much-needed public space, but at what cost?

As the sun dips below the horizon, young lovers make themselves more comfortable on benches overlooking the Sabarmati river. Walkers stroll along the concrete promenades, and mothers enjoy a moment of respite under newly planted saplings while their children play in the adjoining gardens.

Few Ahmedabad residents could have imagined this scene a couple of decades ago. Back then the Gujarati city’s tidal river banks were lined with slum housing – precariously constructed on land polluted by industrial effluent and untreated sewage, and home to some of the most marginalised communities in the city.

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