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Water efficiency of English datacentres scrutinised in TechUK report | Computer Weekly

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Water efficiency of English datacentres scrutinised in TechUK report | Computer Weekly


A report into commercial datacentres’ water usage in England suggests the sector is more efficient and less water-intensive than previously thought, thanks to advances in cooling technologies.

The survey, carried out by UK tech trade body TechUK in collaboration with the Environment Agency, set out to assess the environmental resources consumed by the datacentre industry in England, with a particular focus on water use. 

TechUK gathered data from 73 sites across England, including more than 50 in the Water Resource South East region, and its findings showed that modern cooling systems are less reliant on potable water to keep servers from overheating than perhaps thought.

According to the results, 51% of surveyed sites use waterless cooling systems that require no additional water beyond the standard use of a commercial building. Out of those facilities that do use water, most employ hybrid systems combining air, water and refrigerant-based heat rejection, with only 5% relying entirely on water-based cooling.

These figures are significant because the datacentre industry has often been criticised for a lack of transparency around its environmental footprint. In fact, when compared with broader industrial consumption, datacentres account for only a small fraction of water use. The report notes that 64% of sites consumed levels of water similar to that of a Premier League football club over the course of a year.

One key conclusion is that datacentres have steadily become more water-efficient, largely due to technological innovation. Methods such as liquid cooling and direct-to-chip cooling are reducing or eliminating reliance on potable water. This trend is especially important as the UK government pushes for rapid expansion of datacentre capacity to meet the growing demands of AI-driven computing.

Luisa Cardani, head of the Datacentres Programme at TechUK, said further innovation in cooling is likely to continue. “A lot of the datacentre operators for newer facilities chose to move away from any water use where possible, and move to waterless cooling or hybrid systems,” she said. “That trend has continued because, as more and more data has become available around where there is water scarcity in England, they need to be efficient with their resources.”

The report also makes recommendations for government and industry, including the development of standardised but flexible cooling requirements for AI-ready servers. It calls for early coordination between datacentre developers, local authorities and water suppliers to ensure water demand is aligned with local supply capacity through clear connection agreements.

“Water companies would have this data. So, the question here is whether regulation is necessary,” Cardani added. “As our survey shows, a lot of these companies actually measure how much water they use, which itself is a very good thing, of course. As part of our recommendations, we call for all of the sector to do this.”

Richard Thompson, deputy director for water resources at the Environment Agency, said the report demonstrates that “UK datacentres are utilising a range of cooling technologies and becoming more water conscious”, adding: “It is vital the sector puts sustainability at its heart, and minimises water use in line with evolving standards. We are working with industry and other regulators to raise these to secure the best outcomes for our environment and our water supply for future generations.”

Despite its positive outlook, the report acknowledges its own limitations. The sample size of 73 sites represents only a fraction of the UK’s 477 datacentres, with all data provided voluntarily and without external validation. Most participating sites were located in Greater London and the South East, and the study focused only on large commercial facilities, excluding smaller operators.

According to Peter Judge, senior research analyst at Uptime Intelligence, this lack of transparency is no surprise. “Datacentre operators don’t really naturally give up information,” he said. “They’re operating in a world where they’re focused on their clients. Their clients expect a sort of level of privacy and so forth. Their default position is to not give information unless they absolutely have to. So, I think it will be forced upon them by legislation, rather than them doing it willingly.”

Judge argues that disclosure could ultimately benefit datacentre operators, particularly if they are classified as critical national infrastructure. “A lot of banking services and health services depend critically on datacentres, but you can’t say all datacentres are critical to the functioning of the country, some of them are simply storing personal videos.

“In other words, when legislation happens, it automatically has to demand information from the providers for there to be a benefit to being classified as critical national infrastructure, which might mean that you get exemptions from some of the energy efficiency or water usage demands.”

Uptime has previously criticised the sector for being overly secretive. “Datacentre operators have generally been too complacent, too secretive and when asked about environmental impact, they have been much too inclined to issue little lectures about how datacentres are really important, so we should all stop worrying,” Judge said.

He added that operators should engage more proactively with policymakers: “One of the things that Uptime is talking to operators about is the need to engage proactively with the people that are setting the legislation to try and make sure that the legislation is made with an actual understanding of how the sector works.”

Judge also warned that efficiency gains must be viewed in the context of rapid industry growth. “The industry likes to concentrate on efficiency rather than totals, but totals is how people set policies at the national level,” he said.

“If a big cloud provider improves the efficiency of its datacentres by 10%, but it has expanded the total capacity it’s using 10-fold in that time, it’s basically using 10 times the power, just with a little bit more efficiency.”

The government has already announced significant investment in expanding datacentre capacity across the UK by 2030.



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‘Roblox’ game to impose age controls this year

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‘Roblox’ game to impose age controls this year


‘Roblox’ has many millions of players under 13.

The publisher of “Roblox” has promised to set up age verification mechanisms, after allegations the video game massively popular with children and teens worldwide has fallen short on safety.

Roblox will “expand age estimation to all Roblox users who access our on-platform communication features by the end of this year,” the American company’s head of safety Matt Kaufman wrote in a blog post.

The company would combine estimates of users’ ages, checks on official IDs and to “launch new systems designed to limit communication between adults and minors unless they know each other in the real world,” he added in the Wednesday post.

Around 100 million people use Roblox every day, with under-13s accounting for around 40% of 2024 users, according to the company.

But the game has repeatedly been accused of failing to protect its youngest players in recent years.

The US state of Louisiana filed a lawsuit in August accusing Roblox of facilitating child exploitation and distribution of child sexual abuse material.

And last year, activist short-selling investment firm Hindenburg Research accused the platform of inflating its monthly active player count and not sufficiently protecting users from sexual predators.

While Roblox rejected the allegations, it has announced multiple steps in recent months to step up parental controls and better label user-created content.

Roblox has a massive online platform with a distinctive toylike look where players can create their own game-within-a-game and share it with others, with experiences ranging from driving or sports to live concerts or shooting games.

The company’s announcement comes as several governments around the world step up age controls online.

Websites, social networks and video-sharing platforms must now impose strict age controls in Britain under London’s Online Safety Act, while France and other EU countries plan to test a new age-verification tool for adult content in the coming months.

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Anthropic Agrees to Pay Authors at Least $1.5 Billion in AI Copyright Settlement

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Anthropic Agrees to Pay Authors at Least .5 Billion in AI Copyright Settlement


Anthropic has agreed to pay at least $1.5 billion to settle a lawsuit brought by a group of book authors alleging copyright infringement, an estimated $3,000 per work. In a court motion on Friday, the plaintiffs emphasized that the terms of the settlement are “critical victories” and that going to trial would have been an “enormous” risk.

This is the first class action settlement centered on AI and copyright in the United States, and the outcome may shape how regulators and creative industries approach the legal debate over generative AI and intellectual property. According to the settlement agreement, the class action will apply to approximately 500,000 works, but that number may go up once the list of pirated materials is finalized. For every additional work, the artificial intelligence company will pay an extra $3,000. Plaintiffs plan to deliver a final list of works to the court by October.

“This landmark settlement far surpasses any other known copyright recovery. It is the first of its kind in the AI era. It will provide meaningful compensation for each class work and sets a precedent requiring AI companies to pay copyright owners. This settlement sends a powerful message to AI companies and creators alike that taking copyrighted works from these pirate websites is wrong,” says colead plaintiffs’ counsel Justin Nelson of Susman Godfrey LLP.

Anthropic is not admitting any wrongdoing or liability. “Today’s settlement, if approved, will resolve the plaintiffs’ remaining legacy claims. We remain committed to developing safe AI systems that help people and organizations extend their capabilities, advance scientific discovery, and solve complex problems,” Anthropic deputy general counsel Aparna Sridhar said in a statement.

The lawsuit, which was originally filed in 2024 in the US District Court for the Northern District of California, was part of a larger ongoing wave of copyright litigation brought against tech companies over the data they used to train artificial intelligence programs. Authors Andrea Bartz, Kirk Wallace Johnson, and Charles Graeber alleged that Anthropic trained its large language models on their work without permission, violating copyright law.

This June, senior district judge William Alsup ruled that Anthropic’s AI training was shielded by the “fair use” doctrine, which allows unauthorized use of copyrighted works under certain conditions. It was a win for the tech company but came with a major caveat. As it gathered materials to train its AI tools, Anthropic had relied on a corpus of books pirated from so-called “shadow libraries,” including the notorious site LibGen, and Alsup determined that the authors should still be able to bring Anthropic to trial in a class action over pirating their work. (Anthropic maintains that it did not actually train its products on the pirated works, instead opting to purchase copies of books.)

“Anthropic downloaded over seven million pirated copies of books, paid nothing, and kept these pirated copies in its library even after deciding it would not use them to train its AI (at all or ever again). Authors argue Anthropic should have paid for these pirated library copies. This order agrees,” Alsup wrote in his summary judgement.



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Elite Blade Gaming Laptops from Razor Are on Sale Today

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Elite Blade Gaming Laptops from Razor Are on Sale Today


If you’re in the market for a new gaming laptop, Razer is running a variety of discounts on both the Razer Blade 16 and 18—the one to buy depends on the size of your budget and your desk. The price reduction varies but is right around 14 percent off for most models, with some versions excluded from the sale.

Photograph: Luke Larsen

Our reviewer Luke Larsen gave high marks to the 2025 revamp of the Razer Blade 16 (8/10, WIRED Recommends), largely thanks to its extremely thin footprint and excellent keyboard. Razer does a great job with little details, like the spacious glass touchpad that’s nice and responsive, the excellent fit and finish on the machined aluminum body, and the thin bezels that help the screen stand out. There’s a reason the Razer Blade 16 recently moved to the top of our favorite gaming laptop list.

The display varies depending on the version you choose. The 16-inch version that we reviewed has a 240-Hz OLED screen that we really liked. with excellent contrast and color saturation, with a fast response time that made a big difference at those sky-high frame rates. The larger Razer Blade has an IPS display instead of an OLED panel, but with a higher 3,840 x 2,400 resolution and the same 240-Hz refresh rate.

So what’s the catch? In my opinion, the laptops that are discounted are a little awkward. For the Razer Blade 16, only the RTX 5060 and RTX 5070 versions are marked down, and both feature just 8 GB of VRAM. We haven’t had a chance to test out the mobile versions of these chips, but on the desktop end I found that little memory was a limiting factor for performance, especially at 1440p or higher. Mobile GPUs are always a compromise, but you won’t have the opportunity to upgrade, so it’s important to get this right on the first try. Of the two, I’d go with the RTX 5070 version, which also makes the bump to 32 GB of RAM for $400 overall.

Despite a higher price, I think the Razer Blade 18 sale is more appealing. While the RTX 5070 Ti model is marked down, I’d be very pleased if I had $4,000 or more to spend on a laptop with a mobile RTX 5090. You’ll save $700 on the basic configuration of that model, which includes a 2-TB SSD and 32 GB of memory. Even though the screen isn’t as nice, the performance should be top-tier, as long as you have a big enough backpack.



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