Articles on Health and sanitation

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Brazil’s Marajó Archipelago on the Amazon river delta is the world’s largest tidal island. Roughly the size of Switzerland, its rich biodiversity and landscapes combine Amazon rainforest, mangroves, and freshwater. Dado Photos/Shutterstock

Why safe water is still lacking in the Marajó Archipelago, one of the world’s most water‑abundant regions

Brazil holds 12% of the world’s freshwater reserves and yet growing water insecurity reveals some of the country’s deepest sanitation inequalities, which are particularly relevant to Marajó, its largest coastal island.
A microscopic image of a hookworm egg that can cause intestinal problems in humans. Smith Collection/Gado/Getty Images

Parasitic infections hit the health of low‑income Black communities where states have neglected sewage systems

Though many Americans believe that parasitic infections exist in poorer countries, research shows that the problem exists in the US and has a higher impact in communities of color.

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