Matanza-Riachuelo, Argentina 馬坦薩河-里亞丘埃洛河流域（阿根廷）

Matanza-Riachuelo, Argentina [File photo]

Pollutant: Volatile organic compounds, including toluene

Population Affected: 20,000+

Site Description:

The 64-kilometer river in Buenos Aires houses a great number of chemical manufacturers and industrial factories, which continuously discharge industrial effluents into the river, threatening the health of numerous local residents.