Researchers have proposed that the rapid loss of dissolved oxygen in oceans, lakes, and rivers qualifies as a 10th planetary ...

While landlubbing house hunters sure don't have it easy these days, there's another community—one that dwarfs the human population in size—that is also suffering the woes of shrinking real estate: ...

Researchers will unveil an embargoed report on a crisis facing ocean ecosystems at 9 a.m. Dec. 7, the second of two days emphasizing ocean issues at the COP25 climate talks taking place in Madrid, ...

A new perspective paper argues that ocean deoxygenation is the biggest threat to coral reef survival, perhaps even more so than warming sea temperatures and acidification. Oxygen in the world’s oceans ...

Oceans carry dissolved oxygen as a gas, and just like land animals, aquatic animals need that oxygen to breathe. But as the oceans warm due to climate change, their water can hold less oxygen.

In 2009, the journal Nature featured the article, “A safe operating space for humanity,” in which scientists described nine global-scale processes that regulate the overall habitability and stability ...

Scientists have made a surprising discovery that sheds new light on the role that oceanic deoxygenation (anoxia) played in one of the most devastating extinction events in Earth’s history. Their ...

The major biogeochemical cycles that keep the present-day Earth habitable are linked by a network of feedbacks, which has led to a broadly stable chemical composition of the oceans and atmosphere over ...

Add Yahoo as a preferred source to see more of our stories on Google. Supplies of dissolved oxygen in bodies of water across the globe are dwindling rapidly, and scientists say it's one of the ...

A recent report on global tipping points warned that coral reefs face widespread dieback and have reached a point from which they cannot recover.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." First introduced in 2009, the Planetary Boundary (PB) concept identifies nine unique thresholds that ...