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Ordnance Survey Index Reveals UK Cities Most Vulnerable to Extreme Heat

New research identifies Portsmouth as the most vulnerable city to extreme heat in Great Britain, with Leicester, Exeter, Bristol and Nottingham also facing significant risks by the end of the century.

1 publisher · 1 article · first seen 7 Sept 2026 · updated 5d ago

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  1. Cities in Great Britain most vulnerable to extreme heat revealed The Guardian Climate ·

In this story

  • Ordnance Survey
  • Portsmouth
  • Leicester
  • Exeter
  • Bristol
  • Nottingham