On Thursday 6. February 2025. canal Sarandi (located in a suburb of Argentina’s capital Buenos Aires) turned bright red, and this raised serious concerns about potential environmental pollution. Photos and videos of the Sarandi River, especially the part that runs through the nature reserve (Reserva Costera Municipal de Avellaneda), show the river colored an intense red. It is assumed that the cause of this phenomenon is the release of chemicals into the river, probably of industrial origin.
The red color indicates the presence of potentially dangerous substances, but until the water is analyzed, it is not possible to know for sure which chemicals are involved. If the chemicals are found to be hazardous, it may also pose a risk to people living near the river or using its resources. The Sarandi River flows directly into the Atlantic Ocean, which means that pollution of the river can have far-reaching consequences and affect the marine ecosystem. There are also some islands nearby (like Isla Marcel i Isla Demarchi few kilometers away) that could be possibly affected due to red pollution.
Many worldwide news covered it, here are some examples for further information:
https://www.bbc.com/news/articles/cpqlpvdvzlzo
