Nearly every indicator of climate change is flashing red. But we still hold the tools available to bring the planet back into balance
The ocean is running a fever. In 2025, the number of days of marine heatwaves – prolonged spells when the sea turns abnormally, dangerously warm – was more than triple what it was in the early 1990s.
These are not abstract statistics. A severe and persistent marine heatwave bleaches coral reefs, strips away the kelp forests that shelter young fish, empties fishing grounds and – if occurring frequently – can tip whole ecosystems past the point of recovery.
Karina Von Schuckmann is an IGCC author and senior adviser of Mercator Ocean International
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06/17/2026 - 05:00
06/16/2026 - 23:00
npj Ocean Sustainability, Published online: 17 June 2026; doi:10.1038/s44183-026-00219-9
The future of global ocean observations: five scenarios
06/16/2026 - 22:31
It used to be easier to say that the chances of a shark attack were slim. Now I feel as though that pretence of safety has been shattered
After nearly a year’s break, I started ocean swimming again this May, delighting in the clarity of the water and the quieter beaches of Sydney’s winter. I’d stopped because of an injury but then found that the longer I was out of the water the harder it was to get back in.
It only took that first return swim, however, to remember the absolute euphoria of winter ocean swimming. Part of it is the cold water, how alive it makes you feel, and part is the wildness of it: seeing the variety of underwater marine life, the distant spray of a migratory whale. It is utterly different from swimming laps in a pool.
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06/16/2026 - 18:01
Justice department urges judge to throw out suit brought by NAACP over xAI’s methane-gas turbines in Mississippi
The Trump administration is coming to the defense of Elon Musk in a lawsuit over claims that his artificial intelligence company, xAI, is polluting residential neighborhoods in north Mississippi. The justice department told a federal court late on Monday to throw out the case.
The lawsuit was filed by the NAACP in April over allegations that xAI and its subsidiary MZX Tech set up dozens of methane-gas turbines to power its datacenter in Southaven, Mississippi, without air permits. The suit claims these turbines emit toxic pollutants in violation of the Clean Air Act, and is asking a judge to block xAI from operating the machines.
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06/16/2026 - 13:00
It is still not totally clear what the government wants but the political mood seems to be shifting towards a decision
Thames Water nationalisation moves closer as government objects to rescue deal
At last, Emma Reynolds, the environment secretary, has opined on the future of Thames Water. So what’s it to be? A takeover by the company’s creditors? Special administration, which would allow anyone to pitch up with an offer while the state temporarily funds the company? Or even a quick flush to full nationalisation?
Well, two years after Thames’s shareholders walked away, and 18 months after the creditors opened talks with regulator Ofwat on the terms on a potential recapitalisation, one still can’t say definitively what the government wants. But we do have a better idea: the political mood seems to be shifting firmly towards administration.
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06/16/2026 - 09:48
Lisa Murkowski, a Republican senator, joins Democrats in bid to stop dismantling of Ocean Observatories Initiative
US politics live – latest updates
A group of Democratic senators and one Republican, as well as two Democratic House committees, sent letters on Monday to the National Science Foundation asking it to reverse course on its plan to dismantle a sprawling ocean monitoring network, with House lawmakers going further and accusing the agency of acting illegally.
The Ocean Observatories Initiative is a network of more than 900 ocean sensors built at a cost of $386m. Over the last decade it has tracked ocean circulation, marine ecosystems, climate change and extreme weather, producing data freely available to the public and informing more than 500 scientific publications. The project was slated to run another 15 to 20 years.
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06/16/2026 - 09:00
Sea ice is melting fast, worsening the climate crisis, but a bold attempt to rethicken it is showing early signs of success
‘This would have been a wild dream a year ago,” says Andrea Ceccolini, standing on Arctic sea ice just a 4-mile snowmobile ride from the Inuit town of Cambridge Bay, northern Canada. To his left are sky blue ponds of meltwater created in the last few days by a sun that no longer sets in the high north summer. To his right, the sea ice is still a brilliant white, the light dusting of snow on top continuing to sparkle.
“It’s incredibly different, the boundary – I mean, you can point to it,” he says. The difference is the result of a bold geoengineering experiment being conducted by Ceccolini’s company, Real Ice, funded by the UK government.
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06/16/2026 - 08:36
Exclusive: Sources say Defra’s policy on livestock fails to distinguish between ponies and sheep
Natural England and MPs are urging the government to change its livestock rules to stop ponies on Dartmoor from being culled.
Semi-wild ponies have roamed Dartmoor for more than 4,000 years and have become uniquely suited to the boggy landscape, providing a charming sight for those who visit the national park.
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06/16/2026 - 08:07
Asda, Amazon and B&Q among retailers in talks to sell devices that feed into household sockets and can cut electricity bills by 30%
Spanish homes save €10 a month via renewables expansion
Bosses of some of Britain’s biggest retailers are discussing plans with the government to start selling plug-in solar panels as part of a drive to encourage more UK homes to generate their own electricity.
Executives from brands including Currys, B&Q and Amazon met Martin McCluskey, the minister for energy consumers, on Tuesday to discuss guidelines for selling “balcony solar panels” to the British public.
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06/16/2026 - 05:54
Environment secretary raises concerns that customers would face ‘undue burden’ from £10bn plan
Thames Water should be nationalised, says Burnham
Nils Pratley: the tide is turning on Thames Water
The UK environment secretary has objected to a £10bn rescue proposal for Thames Water because it would place an “undue burden” on consumers, pushing the troubled utilities firm closer towards public ownership.
Emma Reynolds wrote to Iain Coucher, who chairs the regulator Ofwat, on Monday to raise concerns about the plan for the UK’s biggest water company as she is worried that customers will lose out.
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