Academic Reference
Published paper
Croeser, T., Rahman, M.A. & Ghosh, A.K. (2026). Urban forestry for cooler cities faces three critical hurdles. Nature Communications, 17, 2408.
doi:10.1038/s41467-026-70723-6
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This paper explains what cities can do about heat, the three hurdles that urban forestry must clear. The city-level data on this site showing the scale of the EU’s problem is unpublished, incident-response analysis produced during the June 2026 heatwave.