Western Europe has experienced severe heatwaves, with temperatures reaching 46C in Spain and Portugal and approximately 2,300 heat-related deaths reported across 12 cities in June. Two-thirds of these deaths are attributed to climate change, which has increased heatwave severity. Urban areas, where nearly 80% of the population resides, experience intensified heat due to the urban heat island effect. While green spaces can mitigate heat, their availability is not equitable, often favoring wealthier neighborhoods. Research indicates a need for urban greening efforts to focus on the most vulnerable communities.
Nearly 80% of the population of western Europe live in urban areas, and the urban heat island effect turns those cities into pressure cookers during a heatwave.
Street trees, parks and green roofs can significantly lower temperatures, and many cities are planting more trees and creating green spaces.
Their results... show green space is more likely to be added in high-income areas, exacerbating social vulnerability.
They conclude that cities should prioritise the most vulnerable neighbourhoods for urban greening and not just plant trees where it is easy to do so.
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