A study by the University of York in the United Kingdom, which analyzed 258 rivers around the world, showed that one in four rivers has levels of contamination that could be harmful to underwater life.
This study highlighted the presence of various substances, mainly pharmaceuticals, in river water. The findings show that 25.7% of the rivers analyzed have levels of substances that can be toxic to the organisms living there. These include drugs such as antibiotics, antidepressants and sleeping pills.
A surprising discovery came when the study analyzed the rivers of Spain, and specifically, it was found that the Manzanares River, which runs through Madrid, contains substances such as paracetamol, caffeine, metformin, fexofenadine, and other drugs. According to the study, it is the most polluted river in Europe by drugs.
Andreu Rico, an environmentalist, explained that the pollution is high because the Manzanares is a low-flowing river, which has little capacity to dissolve pollutants. In this river, an average of 17 micrograms of drugs per liter have been found, with peaks of up to 60 micrograms when the river flows near Rivas Vaciamadrid. (A2 Televizion)
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