Rivers around the world are quietly running out of oxygen — and climate change is emerging as the main culprit. A sweeping global analysis of more than 21,000 river systems found that nearly 80% have been steadily losing dissolved oxygen over the past four decades, threatening fish, biodiversity, and the overall health of freshwater ecosystems. Surprisingly, tropical rivers are being hit the hardest, even more than rivers in rapidly warming polar regions.
Breaking Waves: Ocean News
05/16/2026 - 12:22
Humpback had been found deceased on Friday after rescue attempt criticised as ‘pure animal cruelty’
Timmy the whale has been confirmed dead by Danish authorities two weeks after the beached humpback was transported to the North Sea in a rescue attempt criticised as “pure animal cruelty”.
Denmark’s Environmental Protection Agency said a whale had been found dead on Friday near the small island of Anholt in the Kattegat, a broad strait between Denmark and Sweden, and confirmed it was Timmy on Saturday.
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05/16/2026 - 07:00
The centers are diverting much-needed resources from regular people. Local resistance has the industry playing defense
Back in 2016, Marco Gutiérrez, the Mexican-born founder of Latinos for Trump, issued an ominous warning to the US. “My culture is a very dominant culture,” he said on MSNBC. “It is imposing and it’s causing problems. If you don’t do something about it, you’re going to have taco trucks on every corner.”
A decade later, I regret to inform you there is not a taco truck on every corner. But I am here to issue my own ominous warning about the takeover of America: not by immigrant culture but by AI culture. To echo Gutiérrez: it is imposing and it’s causing problems. And if we don’t do something about it, we’re going to have datacenters on every corner.
Arwa Mahdawi is a Guardian columnist
Do you have an opinion on the issues raised in this article? If you would like to submit a response of up to 300 words by email to be considered for publication in our letters section, please click here.
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05/16/2026 - 07:00
With Punta Marina residents loving or loathing the incomers, ‘peacock rangers’ have been appointed to defuse tensions
Federico Bruni was sitting on a bench, eating a piadina romagnola (flatbread sandwich) and minding his own business, when a peacock strutted up in the hope of a few crumbs. High-pitched squeals emanated from the direction of a disused military barracks across the road. “That would be the call to love,” Bruni said. “The male peacocks are courting the female ones – we’re in peak mating season.”
As another couple of peacocks wandered by, their iridescent trains sweeping the pavement behind them, this could be mistaken for a wildlife park. But the scene is Punta Marina, a seaside town on the Adriatic coast of Italy’s Emilia-Romagna region that has been colonised by the birds, to the delight – or despair – of its approximately 1,000 residents.
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05/16/2026 - 06:45
Mohamed Mahudhee suffered decompression sickness after searching for scuba divers in Vaavu Atoll and died in hospital
A Maldivian military diver has died during a high-risk operation to recover the bodies of four of the Italian scuba divers who drowned while exploring a deep underwater cave in the Maldives.
The diver suffered underwater decompression sickness after searching for the bodies of the Italians who, according to Italy’s foreign ministry, had “apparently died while attempting to explore caves at a depth of 50 metres (164ft)”.
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05/13/2026 - 23:00
npj Ocean Sustainability, Published online: 14 May 2026; doi:10.1038/s44183-026-00203-3
Navigating towards resilient relationships with kelp
05/13/2026 - 23:00
npj Ocean Sustainability, Published online: 14 May 2026; doi:10.1038/s44183-026-00201-5
From little things, big things grow: using applied nucleation to restore marine forests
05/11/2026 - 23:00
npj Ocean Sustainability, Published online: 12 May 2026; doi:10.1038/s44183-026-00200-6
Deep differences: expanding the marine social sciences and humanities into the deep ocean
05/10/2026 - 23:00
npj Ocean Sustainability, Published online: 11 May 2026; doi:10.1038/s44183-026-00202-4
Offshore wind farms reshape ocean stratification and productivity differently in the North Sea and the Baltic Sea
World Ocean Explorer Wins Gold Medal Serious Simulation Award from Serious Play Annual International Competition
10/26/2023 - 14:35
For Immediate Release October 19, 2023
Sedgwick, Maine USA World Ocean Explorer, a 3D virtual aquarium and educational simulation, was recently cited for excellence, winning a Gold Medal Award in the 2023 International Serious Play Awards Program.
World Ocean Explorer is an innovative 3D virtual aquarium designed for educational exploration of the world’s oceans. With interactive exhibits and a lobby space, visitors can immerse themselves in realistic marine environments, including a DEEP SEA exhibit funded by Schmidt Ocean Institute, showcasing unprecedented deep-sea discoveries off Australia. Targeted at 3rd graders and beyond, this immersive experience offers a range of perspectives on the ocean environment and can be explored through guided tours or user-controlled interfaces. Visit DEEP SEA at worldoceanexplorer.org/deep-sea-aquarium.html.
Serious Play Conference brings together professionals who are exploring the use of game-based learning, sharing their experience, and working together to shape the future of training and education. For more information on Serious Play Award Program visit seriousplayconf.com/international-serious-play-award-programs.
World Ocean Explorer is a transformative virtual aquarium designed to deepen understanding of the world ocean and amplify connection for young people worldwide. Organized around the principles of Ocean Literacy and the Next Gen Science Standards, World Ocean Explorer brings the wonder and knowledge of ocean species and systems to students in formal and informal classrooms, absolutely free to anyone with a good Internet connection. As an advocate for the ocean through communications, World Ocean Observatory believes there is no better investment in the future of the sustainable ocean than through a new approach to educational engagement that excites, informs, and motivates students to explore the wonders of our marine world and to understand the pervasive connection and implication for our future, inherent in the protection and conservation of all aspects of our ocean world.
World Ocean Explorer presents an astonishing 3-dimensional simulated aquarium visit, organized to reveal the wonders of undersea life, with layers of detailed data and information to augment the emotional connection made to the astonishing beauty and complexity of the dynamic ocean. Within each of the virtual exhibits, students visit exemplary theme-based sites with myriad opportunities to understand the larger perspectives of scientific knowledge as organized and visualized to dramatize the impact and change on ocean life as a result of natural and human-generated events. Through immersion among displays, mixed media and 3D models, the experience of an aquarium visit will be brought into classrooms or home school environments as a free, accessible, always available opportunity for teaching and learning. All of this will be available to a world audience without physical limitation or cost. World Ocean Explorer, a project of the World Ocean Observatory, receives support from the Seth Sprague Educational and Charitable Foundation, Visual Solutions Lab, the Climate Change Institute, the Khaled bin Sultan Living Oceans Foundation, and The Fram Museum Oslo. To learn more about the current and future exhibits of World Ocean Explorer, visit worldoceanexplorer.org.
media contact
Trisha Badger, Managing Director, World Ocean Observatory | [email protected] +12077011069
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