Where Has Vienna's 'Coolness' Gone?


Vienna’s cool streets provide a safe outdoor space to escape the heat in the summer. The city used a heat map and population data to select streets with high concentrations of residents who are particularly vulnerable to extreme heat, like children and the elderly. At the selected locations, traffic was limited and asphalt was covered with turf, benches, mist machines, and water fountains. When the city challenged the project, a citizen’s initiative in the Ottakring district worked with the local council to keep one cool street open last summer, saving a public safe outdoor space.

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