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Amazon Basin urban centers are contaminating the Amazon, Negro, Tapajós and Tocantins rivers with pharmaceuticals and wastewater, with still largely unknown impacts on aquatic ecosystems.

Amazon basinBrazil generalUnited statesAmazon riverGisela umbuzeiroInstituto trata brasilSustainable development goalPublic ministryLaboratory of ecotoxicologyUnited nationsNational sanitation information systemWater instituteUniversity of campinasBrazil ministry of regional developmentBrazilian amazonSilent amazon project