10bn tonnes must be captured from the air every year to limit global heating to 1.7C, says Johan Rockström
Cop30: click here for full Guardian coverage of the climate talks in Brazil
Removing carbon from the atmosphere will be necessary to avoid catastrophic tipping points, one of the world’s leading scientists has warned, as even in the best-case scenario the world will heat by about 1.7C.
Johan Rockström of the Potsdam Institute for Climate Impact Research, who is one of the chief scientific advisers to the UN and the Cop30 presidency, said 10bn tonnes of carbon dioxide needed to be removed from the air every year even to limit global heating to 1.7C (3.1F) above preindustrial levels.
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Breaking Waves: Ocean News
11/11/2025 - 13:18
11/11/2025 - 12:54
Discover and buy more of Ben’s cartoons here
Order your own print of this cartoon from the Guardian Print Shop
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11/11/2025 - 12:00
Armed forces and settlers used bombs, dogs, poison and machinery to attack people and infrastructure at key sites
Israeli armed forces and settlers have attacked Palestinian water sources more than 250 times in the past five years, amounting to the most sustained assault on civilian water supplies in recent years, new research reveals.
Bombs, dogs, poison and heavy machinery were among the weapons used to attack Palestinians and their infrastructure at drinking water, irrigation and sanitation sites in the occupied West Bank and Gaza Strip on at least 90 occasions between January 2024 and mid-2025, according to the Pacific Institute, a California-based nonpartisan thinktank tracking water conflicts.
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11/11/2025 - 09:00
Scientists believe new discovery to be the oldest crocodilian eggshells ever found in Australia
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Scientists have identified what are believed to be the oldest crocodilian eggshells ever found in Australia, unearthed in a grazier’s back yard in regional Queensland.
The 55m-year-old eggshells – found at a fossil deposit in Murgon, approximately 270km north-west of Brisbane – likely belong to a group of extinct crocodiles known as mekosuchines, new research suggests.
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11/11/2025 - 09:00
The public stoush is really about whether the party will drop the charade or maintain it while shuffling some words
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The best thing that can be said about the Coalition’s internal brawl over whether to abandon its support for reaching net zero emissions by 2050 is that it has some honesty in it. Not much honesty, but if you look closely you may see some light breaking through.
The federal Liberals and Nationals have never supported the idea of reaching net zero by 2050. Some individual MPs have but not the parties. We know this because they have not backed a policy to help meet it since Scott Morrison adopted the target in 2021 to try to deflect rising pressure at home and abroad.
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11/11/2025 - 08:52
A regenerative scheme has shown early promise, with herders hopeful it can restore degraded pastures
Ibrahima Ka, dressed in flowing indigo robes, gathers his herd with those of his neighbours before a stretch of lush, untouched pasture. The bellowing, heaving and trampling of 350 impatient zebu cows behind a wire perimeter marks a break with centuries of herding tradition in Senegal, west Africa. Rather than roaming freely across the country’s vast grasslands, shepherds tightly pack the herd together, confining them to graze in short, intensive bursts before being moved to a new plot.
Ka, the village chief of Thignol, is spearheading the first pilot of “mob grazing” in Senegal, aiming to mimic, on a much smaller scale, how wildebeest flow across the Serengeti, moving to protect themselves against lions and cheetahs. The idea that intense grazing can regenerate grasslands rather than accelerate their decline has been controversial. Initially, proponents argued it could help to solve the climate crisis through storing carbon in regenerated grasslands – a claim with little scientific basis. But there is some evidence that the method can boost biodiversity and grassland health in dry areas such as Senegal.
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11/11/2025 - 07:59
This live blog is now closed. You can read the full Guardian coverage of the climate talks in Brazil here
In the run-up to Cop30, the Guardian published a series of articles looking at the ten biggest polluters of greenhouse gas, and their plans to clean up. Here’s a piece my colleague Jonathan Watts wrote in September about China, which according to an analysis published today has plateaued its emissions.
Chinese power took on an old-fashioned hue in the past week with a huge military parade, a gathering of former allies Russia and North Korea, and President Xi Jinping’s defiant vow not to be intimidated by bullies.
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11/11/2025 - 00:00
npj Ocean Sustainability, Published online: 11 November 2025; doi:10.1038/s44183-025-00154-1
Climate-resilient fisheries are more resilient in general
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 | director@thew2o.net +12077011069
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