For the devout, the scene seems straight out of prophecy: rivers tinted red as if they were flowing with blood. But beyond the panic and doomsday theories, science offers a more rational explanation (though no less alarming). What exactly is happening in Argentina and Peru?
In Argentina, the Sarandí River—located in the province of Buenos Aires—was found at dawn awash in an intense red hue, setting local residents on high alert. Many feared the worst: a spill of hazardous contaminants. While authorities are still investigating the phenomenon, one leading hypothesis points to aniline—a chemical used in the production of dyes that, in large quantities, can be toxic.
Meanwhile, in Peru, the Rimac River, which flows through Lima, also underwent a sudden and dramatic color change. Although investigations are ongoing, all indications suggest a similar scenario to Argentina’s: industrial pollutants have alarmingly altered the water’s appearance.
As expected, the phenomenon has ignited a flurry of reactions on social media. Some claim it’s a divine message, while others point to unchecked industrial pollution as the culprit.
🇵🇪 El río Rímac, en Lima, Perú, ha adquirido un extraño color rosado que tiene muy preocupados a los pobladores, pues su agua no sólo se utiliza para riego, sino para consumo humano.
Las autoridades investigan para determinar la causas. pic.twitter.com/ISWeZ7NDEz
— 𝑮â𝒕𝒆𝒂𝒖 (@Gateau2008) February 7, 2025
Although no official conclusion has been reached yet, both countries appear to be facing a potential environmental issue that could have serious consequences. Authorities have collected water samples and continue to analyze the source of the red tint. In the meantime, residents in Buenos Aires and Lima are left wondering: what exactly is happening with our rivers?
This article was originally written in Spanish by Alan Cruz in Cultura Colectiva.
