Scientists studying the carbon cycle of the Brazos River have found it overwritten by human activities, with the effect of dams, sewage wastewater and paved roads overwhelming the natural riverine ...

Rivers are a primary source of the plastics that clog oceanic ecosystems and contribute to the continent-sized Great Pacific garbage patch. Broken-down plastics cycle through ecosystems, accumulating ...

The rivers of South America's Amazon basin are "breathing" far harder - and cycling the greenhouse gas carbon dioxide far faster - than anyone realized. Most of the carbon being exhaled as carbon ...