File photo: The Benjamin Franklin Bridge spanning the Delaware River between Camden N.J., foreground, and Philadelphia is seen, Wednesday, Feb. 10, 2021. (AP Photo/Matt Rourke) From Philly and the Pa.

GREENVILLE — Recent water testing found a tributary that feeds the Reedy River in much better health than last month — when leaves littered the stream and dissolved oxygen was lower than had ever been ...

SYDNEY, March 18 (Reuters) - Low levels of oxygen in Australia's second longest river were to blame for a mass fish die-off recently in a remote part of New South Wales state, environmental ...

Could “The Blob” be returning to the ocean bottom in southern Cape Cod Bay? There are signs that the low oxygen conditions that killed hundreds of pounds of trapped lobsters a few years ago might soon ...

Colleen Brown who is a PhD student at UNCW in the aquatic ecology laboratory says they found oxygen levels as low as 5% in the area where the fish were found. The Cape Fear River Watch has closed the ...

SACRAMENTO — It's a stressful time for salmon in the American River as they are unable to swim upstream at the Nimbus Fish Hatchery. The opening of the Nimbus Fish Hatchery's salmon ladder was ...

MOBILE, Ala. (WALA) - A new study published by the Dauphin Island Sea Lab shows some concerning findings. Researchers say a lack of oxygen was found in parts of Mobile Bay. Known as hypoxia, it can ...

Rivers in the US and central Europe are rapidly losing oxygen due to rising temperatures, which is putting fish at risk. Li Li at Pennsylvania State University and her colleagues have reconstructed ...

Jennifer Mallon receives funding from US-UK Fulbright Commission, Smithsonian Institution Fellowship Program, University of Glasgow Early Career Mobility Award and the Link Foundation. Adrian Michael ...