► Take our survey and tell us what you like about our YouTube channel and would like to see more of: https://bit.ly/33SJ8AI
FT’s Leslie Hook and Camilla Hodgson discuss their investigation into air pollution on London’s Tube, the oldest subway system in the world, carrying 4.8m passengers every day. Read more at https://on.ft.com/34sWjsi
► Check out our Community tab for more stories on the economy.
► Listen to our podcasts: https://www.ft.com/podcasts
► Follow us on Instagram: https://www.instagram.com/financialtimes