Zero

Lessons From One of the World’s Greenest Cities

Sadiq Khan shares how he fought for environmental policies through a tumultuous decade as London’s mayor.

Sadiq Khan, mayor of London, following an interview for the Zero podcast in London on April 16, 2026. 

Photographer: Chris Ratcliffe/Bloomberg

Sadiq Khan is about to complete 10 years as London’s mayor. He’s seen the city affected by Brexit, the pandemic and two energy crises. That hasn’t deterred him from deploying some of the strongest air-quality regulations in any city. But he hasn’t yet succeeded in getting enough homes built and struggled to keep improving the train network. As cities keep growing, Khan talks to Akshat Rathi about lessons from London’s successes and failures. As a prominent member of the UK’s Labour Party, Khan also shares his thoughts about the future of the party.

Listen now, and subscribe on Apple, Spotify, or YouTube to get new episodes of Zero every Thursday.