This story originally appeared on NJ Spotlight. The amount of oxygen in the Delaware River south of Camden dropped below a regulatory limit during each of the last three summers, according to data ...

Lake Eaton registered the lowest dissolved oxygen concentrations of 10 Hamilton County lakes. SARANAC LAKE — Dissolved oxygen levels have been declining in Adirondack lakes in recent decades and new ...

Fish kills on small lakes and ponds can occur during summer if dissolved oxygen levels in the water crash. "It can happen on any body of water or a section of a body of water," said Eric Brinkman, ...

In lakes that experience seasonal ice cover, understanding of nitrogen–oxygen coupling and nitrification has been dominated by observations during open water, ice-free conditions. To address knowledge ...

Most scientists agree that a "mass extinction" event is underway with the Earth's wildlife disappearing at an alarming rate, mainly due to human activity. The Baltic Sea is home to some of the world's ...