New Heat Vulnerability Index Ranks Great Britain's Most At-Risk Cities
Quick Brief
A new research initiative has evaluated urban areas across Great Britain to determine which locations are most susceptible to extreme heat and urban heat island effects. Portsmouth has been identified as the most vulnerable city currently and looking toward the future. The findings are the result of collaborative analysis by Ordnance Survey, the Met Office, and 4 Earth Intelligence.
What Happened?
Research from Ordnance Survey (OS), the Met Office, and data analysis company 4 Earth Intelligence has produced a heat vulnerability index covering all cities in Great Britain. The analysis highlights how rising global temperatures are turning British cities into urban heat islands. According to the index, Portsmouth on the south coast of England is the most vulnerable to extreme temperatures both today and into the future. Additionally, cities such as Leicester, Exeter, Bristol, and Nottingham are projected to warm the most by the end of the century.
Why It Matters
As global heating intensifies, urban areas face mounting challenges from rising temperatures, commonly referred to as the urban heat island effect. Identifying which cities are most vulnerable allows planners, local governments, and researchers to understand how different urban centers cope with heat stress and helps inform future adaptation strategies to protect populations.
Key Facts
- Ordnance Survey, the Met Office, and 4 Earth Intelligence created a heat vulnerability index for cities across Great Britain.
- Portsmouth, home to 208,000 people on the south coast of England, is ranked as the most vulnerable city to extreme heat currently and in the future.
- Portsmouth, Leicester, Exeter, Bristol, and Nottingham are projected to experience some of the greatest warming by the end of the century.
- The research examines 'urban heat islands' to determine which cities suffer the most and which cope best with rising temperatures.
Compiled from 2 outlets
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