Large swings in past ocean oxygen revealed

Manoa HI (SPX) Oct 16, 2023

As the climate warms, there is major concern that Earth's ocean will lose oxygen. A study published recently by oceanographers at the University of Hawai'i at Manoa revealed that locked in ancient deep-sea sediments is evidence for oxygen loss in the world's ocean during past glacial periods, indicating that widespread oxygen loss with current climate change may not be permanent. Scientist