Mongabay reviewed nearly three decades of scientific research on the impact of heavy metals and traveled to several Amazonian communities to track the course of mercury contamination.

For the first time, Mongabay Latam analyzed 39 scientific studies published between 1997 and 2024 that confirm that 249 Indigenous and riverside communities in Peru, Bolivia and…

Mongabay found that 39 communities in Bolivia are suffering from mercury poisoning and that 125 more face a similar risk.