Science
![An illustration of what the planet K2-18 b could look like with a red dwarf star on a black background that is speckled with some small stars. The planet is large, in the foreground on the right and the star is smaller, in the background at the lower left. The planet is various shades of blue, with wisps of white scattered throughout. The left edge of the planet (the side facing the star) is lit, while the rest is in shadow. The star has a bright red glow.]](https://i.guim.co.uk/img/media/58192346609b2168208fe4d6674df709df795be6/120_0_3600_2160/master/3600.jpg?width=220&dpr=2&s=none&crop=5%3A3)
Streams of medicines: how Switzerland cleaned up its act – podcast
In the second of a two part series, Phoebe Weston travels to Switzerland to find out how the country has transformed its rivers, from sewage-filled health hazards to pristine swimming spots. She tells Madeleine Finlay how a public health disaster in the 1960s spurred the government to act, and what the UK could learn from the Swiss about taking care of a precious national asset.
Streams of medicines: what’s hiding in the UK’s waterways? – podcast
In episode one of a two-part series, biodiversity reporter Phoebe Weston tells Madeleine Finlay about the problem of chemical pollution in our waterways, and how it could be contributing to what the World Health Organization has described as ‘the silent pandemic’ – antimicrobial resistance.
