It's no secret that Earth is doomed. Sure, there's the threat of climate change and the fact that sea levels are rising around the world. But that's not what we're talking about. Instead, our planet's ...

The Chesapeake Bay saw oxygen levels hit record lows this summer. That’s according to the hypoxia measurement, which is performed twice a month. Hypoxia happens when water has less than 2 mg/l of ...

The very air we breathe, composed of approximately 21% oxygen, is the lifeblood of our planet. It sustains everything from microscopic organisms to towering redwoods and, of course, humanity. But what ...

DENTON, Texas — Denton officials said a drop in oxygen killed fish in Unicorn Lake. Saturday, Denton's environmental services team assessed the dead fish at Unicorn Lake and determined the cause was ...

Denton officials said a drop in oxygen killed fish in Unicorn Lake. Saturday, Denton's environmental services team assessed the dead fish at Unicorn Lake and determined the cause was most likely a ...