Bring a bottle: Viennese dog owners told to rinse pets’ urine from trees

Official guidance says ammonia in animal urine should be watered down to stop it corroding bark


A neighbourhood in Vienna has introduced guidelines for dog walking, including the use of bottled tap water to rinse away urine and protect vulnerable trees.


Neubau, an up-and-coming, densely populated district dotted with cafes and galleries, rolled out the Schönes Gassi (nice dog walk) campaign this week.

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https://www.theguardian.com/world/2026/oct/15/vienna-austria-dog-owners-dilute-pet-urine-trees