Urban heat x canopy: 21 European cities

Unpublished analysis by Dr Thami Croeser, June 2026

3.8 million buildings mapped against the canopy threshold scientists say is needed to survive a heatwave. Built in real time during the June 2026 European heatwave.

Explorers

• Canopy x income/deprivation
  Bivariate maps: who gets shade? 11 cities with income/deprivation data. London first.
• Surface temperature carousel
  Dark-background heat maps for all 21 cities. Arrow keys or click to browse.
• Canopy deficit explorer
  Adjust the canopy threshold and see how many buildings fall short. Interactive slider.
• 21-city ranking
  Compare all cities by canopy cover. Click any city for details.
• Heat x inequality
  Scatter plot: income vs temperature, coloured by canopy. Toggle variables.
• Canopy class distribution
  How far below the threshold? Stacked bars for all 21 cities.
• Cool spots explorer
  Split view: map of cool urban spots + street-level imagery. Click to explore.

Unpublished analysis by Dr Thami Croeser, June 2026.
Data: Meta/WRI canopy (1m, 2020), Landsat 9 LST (30m), BD TOPO / Overture Maps buildings, INSEE Filosofi / IMD 2025 / GISD deprivation.