ScienceContemporarySpainhigh confidence

The study found that failing to adapt to heat would increase heat-related mortality in Spain by a factor of 10 over the next 80 years.

Notes on verification

Confirmed by peer-reviewed study (Díaz et al. 2019, Environmental Research) with matching figures (1,414 to 12,896 deaths/year), corroborated by independent Spanish news outlets and reiterated by lead author in a 2025 interview.

Sources