An aerial view of a river surrounded by trees (Brian Beckwith/Unsplash via Courthouse News) (CN) — Inland waters like rivers, lakes, streams and reservoirs need oxygen to survive, just like we do, but ...

The retina consumes oxygen at one of the highest rates of any tissue in the body, and disruptions in its oxygen supply are linked to blinding diseases such as glaucoma, age-related macular ...

Nearly 80% of rivers around the world are losing oxygen as a result of global warming 1. Warmer water can hold less dissolved oxygen, which aquatic ecosystems depend on to stay healthy, than cooler ...

If your oxygen saturation level drops below 92%, seek medical help right away. A dangerously low oxygen level can make you ...

Earth's atmosphere maintains a constant level of oxygen, whether it is a wintry, rainy day or hot summer. Across the ocean, oxygen concentrations vary enormously between different places and over time ...

Coral reef research has focused on the twin evils birthed by record-high greenhouse gas emissions: warming oceans and increasingly acidic seawater. These global threats are caused by seawater ...