active·EnvironmentKyiv residents propose 'vaccinating' chestnut trees, petition gains over 3,600 signatures10 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today10/09/2026, 19:55Kyiv residents propose 'vaccinating' chestnut trees, petition gains over 3,600 signatures1 source →1 of 1 eventsStoryline coverage1 source · 1/7