oxygen
oxygen on World Data Ocean: a running collection of 2 stories we have gathered and hand-picked because they are worth your time. Every post here touches on oxygen in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around oxygen, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.

Earth’s waters are quietly running out of oxygen, scientists warn
A concerning trend is emerging: Earth’s waters are experiencing widespread deoxygenation, impacting oceans, lakes, rivers, and coastal zones. Peer-reviewed research validates this alarming rate of oxygen loss, threatening aquatic ecosystems and weakening vital climate regulation processes. This phenomenon is inextricably linked to escalating planetary challenges—warming temperatures, pollution, biodiversity decline, and ocean acidification. For further context on related maritime concerns, see our recent report, "IMO Condemns Attacks On Merchant Vessels In The Sea Of Azov And The Black Sea."
PHYS.Org: Researchers link the mass extinction of once-dominant marine groups to intolerable heat, diminished oxygen in oceans
A recent peer-reviewed study published in *PNAS* establishes a critical link between past marine mass extinctions and periods of extreme ocean warming and oxygen depletion. Researchers have identified intolerable heat and diminished oxygen levels as primary drivers in the decline of once-dominant marine groups. This longitudinal analysis provides further validated evidence supporting the vulnerability of ocean ecosystems to climate change, emphasizing the urgency of understanding and mitigating current climate indicators for effective ocean stewardship.