#3161: nitrates, isochrones, seniors, bars, groceries
, last check: Wed, 06 May 2026. Post history
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nitrates
In 2024, at least 257,000 people in 332 municipalities across Spain were unable to drink tap water due to nitrate contamination
[ES]
https://www.datadista.com/medioambiente/257-000-personas-sin-agua-potable-en-sus-casas-por-exceso-de-nitratos-en-2024-y-mas-de-un-millon-en-zonas-criticas/ -
isochrones
Chronological isochrone maps focus on distance rather than time, created using Python and SQL, and visualized in Jupyter Notebooks for testing with various locations
https://kamilraczycki.com/blog/Chronographic-Isochrones -
seniors
Map illustrating the distribution of the European population aged over 65 based on 2021 census data
https://ec.europa.eu/assets/estat/E/E4/gisco/website/census_2021_grid_map/index.html -
bars
In France, the closure of bars and tobacco shops has contributed to a rise in far-right voting amid changes in local living conditions, independent of immigration, unemployment, or other factors
[FR]
https://www.cepremap.fr/2026/01/quand-les-bars-tabacs-ferment-lerosion-du-lien-social-local-et-la-progression-du-vote-dextreme-droite-en-france/ -
groceries
Approximately 40 million people reside in areas without supermarkets, known as food deserts, due to corporate consolidation reshaping food access in the USA
https://ilsr.org/article/independent-business/grocerygaps/
Raf