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
- Un estudio cifra en cerca de 50.000 millones de euros anuales el coste que tendría para España la no adaptación al calor - ISCIII Portal Web (isciii.es)
- https://www.sciencedirect.com/science/article/abs/pii/S0013935119301215 (sciencedirect.com)
- https://researchgate.net/publication/331374059_Mortality_attributable_to_high_temperatures_over_the_2021-2050_and_2051-2100_time_horizons_in_Spain_Adaptation_and_economic_estimate (researchgate.net)
- https://www.lamarea.com/2019/04/30/la-mortalidad-atribuible-al-calor-en-espana-puede-multiplicarse-por-diez-si-no-hay-adaptacion/ (lamarea.com)
- https://www.elagoradiario.com/desarrollo-sostenible/economia-circular/no-adaptarse-olas-calor-costara-50-000-millones-espana/ (elagoradiario.com)
- https://www.infobae.com/espana/2025/08/05/el-cambio-climatico-dispara-las-muertes-por-calor-en-europa-pero-solo-el-2-se-produce-por-causa-directa-hay-cuatro-olas-de-calor-mas-por-decada/ (infobae.com)