Former punk icon Feargal Sharkey and Ben Morris, founder of Clean up the River Brent, discuss citizen science in monitoring and cleaning up polluted rivers. They talk about the efforts taken to clean up the River Brent in West London, the importance of sensors in measuring water quality, and the need for political involvement to address water quality issues.

Feargal Sharkey, former punk rock star turned environmental campaigner, discusses his campaign to clean up Britain's waterways and the battle against the privatised water industry. They also talk about systemic problems in the UK water industry, their upbringing in Northern Ireland during the troubles, and the challenges musicians face in the digital age.