Green Daily

London Commutes Aren’t Ready for Climate Change

City workers outside Bank Underground station.
Photographer: Betty Laura Zapata/Bloomberg

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By Joe Wertz, Olivia Rudgard, Siobhan Wagner, and Danielle Bochove

July 25, 2025 at 10:11 AM UTC

Today’s newsletter looks at the latest data from Bloomberg’s London Tube Heat Index, which was launched by our weather and climate reporter Joe Wertz at the start of summer. It shows a popular weekday journey from the financial center has stayed within heat wave conditions every day since he started recording. You can read and share this story with your friends and followers on Bloomberg.com.

By Joe Wertz, Olivia Rudgard and Siobhan Wagner