South America’s second-largest river behind only the Amazon, has retreated this year to its lowest level since its record low in 1944, hit by cyclical droughts and dwindling rainfall upriver in ...

The previous record low level was recorded last year ... including the Madeira River, the Amazon River’s longest tributary.

Satellite images appear to show a new highway cutting through the rainforest in the Brazilian state set to host COP30.

The study, "Accessible, Low-mercury and Nutritious Fish Provide ... price and abundance for 59 fish species in the Amazon River. They found that smaller species that are more common and less ...