But the health of the Amazon River is under threat. Hydroelectric dams, invasive species and pollution continue to degrade its waters. Deforestation and conversion to agriculture, mining, urban sprawl and other stresses affect the flow and quality of water entering the river, too.

The health of the Amazon River is currently a subject of intense global concern due to a complex intersection of environmental stressors. While the river remains the most biodiverse freshwater system on Earth, it is facing unprecedented threats from deforestation, illegal gold mining, and climate-induced droughts. In recent years, mercury contamination from artisanal mining has reached alarming levels, affecting not only the aquatic life but also the indigenous communities that rely on the river for sustenance. Additionally, the "health" of the river's water cycle is being disrupted; massive deforestation reduces the "evapotranspiration" that creates the river's own rain, leading to record-low water levels that strand boats and kill endangered pink river dolphins. Agricultural runoff and untreated sewage from growing urban centers along its banks further degrade water quality. However, there are signs of hope through intensified international conservation efforts and indigenous-led protection programs that aim to restore the river's natural buffers. Despite these challenges, the Amazon remains a resilient powerhouse of the global ecosystem, though its long-term health depends entirely on a coordinated global effort to stop the "tipping point" of forest-to-savanna conversion.