A local heating company error caused the Szinva stream in Miskolc, Hungary, to turn orange. Miskolc’s mayor has stated the pollution does not pose a danger to humans. However, the incident has resulted in damage to the stream’s ecosystem and wildlife. The cause of the discoloration is believed to be related to a malfunction at the district heating plant. Authorities are investigating the extent of the environmental impact and working to rectify the situation. Further details regarding the specific substance causing the change in color have not yet been released. The incident highlights potential risks associated with industrial infrastructure near waterways.