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Binational effort is fixing chronic pollution problem on the Rio Grande
2025-12-10
NUEVO LAREDO, Mexico — Silvia Fernández Gallardo Boone leaned over a stream of water rushing through a concrete chute at the city’s wastewater treatment plant. “Smell it!” she said, beaming. Odorless, treated wastewater flowed into the Coyote Arroyo, or creek, then the Rio Grande. Mere months...
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