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Argentine residents revive highly polluted river

theguardian.com · 17 September 2026
Argentine residents revive highly polluted river
Photo: theguardian.com

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Residents of Costa Esperanza, a neighbourhood in the San Martín district of Buenos Aires province, Argentina, began cleaning the Reconquista River in 2001 after repeated flooding.

María Monges initiated the effort when floodwaters reached her home, recognizing the need for action. The Reconquista River ranks as Argentina’s second most-polluted waterway, suffering from contamination by sewage, animal remains, and industrial waste. The Costa Esperanza community formed in 1998 and took its name from a popular Argentine television show, Verano del 98.

However, the actual neighbourhood differs greatly from the show’s fictional coastal setting. Residents have worked for years to remove debris and advocate for improved waste management and pollution control. The article details the long-term effort of the community to improve their environment, suggesting a commitment to sustained environmental stewardship. It notes the stark contrast between the neighbourhood’s name, evoking a pleasant seaside location, and the reality of a heavily polluted river.

The group continues its work, hoping to restore the river to a healthier state and improve the quality of life for residents.

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