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On the double disappointment of a supposed breakthrough in energy transmission.

For the past two weeks, the alleged discovery by Korean scientists of the “holy grail” of physics — the first room temperature superconductor — has captured the world’s imagination. Superconductors transmit energy without any resistance. In science fiction, they are the key to unlocking countless energy breakthroughs, from nuclear fusion to levitating trains.
On social media, hopeful dilettantes, myself included, clicked refresh with rapt enthusiasm as professional and amateur scientists alike live-tweeted and live-streamed attempts to replicate the experiment and dissected the latest research. Overall sentiment about the findings oscillated dramatically from one hour to the next.
But now, the jig may be up. On Monday night, the Condensed Matter Theory Center at the University of Maryland reviewed the latest evidence and declared that LK-99, the material in question, was not a superconductor at all, much less one at room temperature. “With a great deal of sadness, we now believe that the game is over,” the research center tweeted.
There are many other labs investigating the research that have yet to weigh in, and the saga may not be over. There are also many other scientists tinkering away with other materials in hopes of making the same kind of discovery. But success might prove underwhelming. Because even if we soon identify a room temperature superconductor — whether LK-99 or another material — it’s unlikely to make tackling climate change any easier.
Pretty much every material we use to generate, move, and use electricity today has some amount of electrical resistance, causing the loss of energy in the form of heat. U.S. power lines, for example, lose about 5% of the electricity they carry. The main promise of superconductors, when it comes to climate change, is the potential to eliminate this shortcoming, improving the efficiency of everything from wind turbines to power lines to vehicles.
Scientists have already discovered superconducting materials, but the problem is that they only exhibit zero resistance when cooled to extremely low temperatures, like between -300 and -450 degrees Fahrenheit. That’s why a material that proves to be superconducting at room temperature would be so exciting — it could be much easier to use in commercial applications.
I asked Kiruba Sivasubramaniam Haran, an electrical engineer at the University of Illinois who studies applications for superconductors, what the most exciting potential use for such a material would be. “It’s hard to pinpoint because it’s going to impact everything,” he told me. “You can push the bounds of electric currents that you can push through a motor, you can push the bounds of magnetic fields, make everything really small and compact, and you can cut all the losses.”
Researchers aren’t waiting around for room temperature superconductors to try and do this. They are still attempting to exploit the last breakthrough in the field, in the late 1980s, when scientists discovered materials that were superconducting at slightly higher temperatures — closer to -300 than -400. That meant they could be cooled with liquid nitrogen, rather than liquid helium, which is a finite, expensive resource. The discovery was awarded Nobel prizes and set off an explosion of research.
Haran said that for pretty much every piece of equipment on the power grid, there’s already been a demonstration project to try and improve it with these so-called “high temperature superconductors.” The Department of Energy has supported projects testing them in grid equipment in Chicago, Long Island, and Columbus, Ohio. GE Research is working on putting them in wind turbines. Companies like Commonwealth Fusion Systems that are racing to develop fusion reactors — a potential source of limitless, clean energy — use superconducting magnets to control and confine plasma. Haran himself has a company that’s trying to use them to build lightweight electric motors capable of powering large airplanes.
It’s been decades and these applications have yet to scale. Part of the challenge, Inna Vishik, a materials scientist at the University of California, Davis, told me, is achieving cost parity with existing solutions. Take transmission lines, which today use copper wire. Copper may not be perfect, but it’s cheap, and it’s already there. “I don't think we'll ever discover a superconductor that's cheaper than copper,” she said.
It’s true that part of what has held superconductors back has been the need to cool them. Karan said that his company is close to breaking even with its electric motor, and that a superconductor that could withstand higher temperatures would turn the trade-offs in its favor.
But other scientists stressed to me that temperature is just one factor. Jonathan Menard, chief research officer at the Princeton Plasma Physics Laboratory, told me that one of the bottlenecks for fusion has been manufacturing superconductors at scale. “The industry is challenged to figure out how to build this material in bulk and meet quality requirements that the fusion companies want,” he said.
The utility of a room temperature superconductor will also depend entirely on other properties of that material, such as how much current it can carry while remaining superconducting. We could very well discover a room temperature superconductor that’s entirely useless for many applications.
“All of the different superconducting materials have different critical properties,” said Menard. “They only stay superconducting below a certain magnetic field, below a certain temperature, and under certain stress conditions. We really have to assess it for all of those limits.”
Not to overly moralize the story of LK-99, but it’s dangerous to fall prey to magical thinking. There are no quick, easy solutions to climate change, but there are solutions that exist today. Holding out for technological breakthroughs risks failing to take advantage of all the opportunities to cut emissions at our fingertips.
Climate change is a problem of accumulation, and every ton of carbon that goes into the atmosphere matters. If scientists found a game-changing superconductor tomorrow, the world would face far fewer hazards by cutting emissions as rapidly as possible than if it waited for the discovery to translate to commercial applications.
There’s a glass-half-full version of this: Room temperature superconductors would be a monumental discovery, but we certainly don’t need them to decarbonize.
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The United Nations climate conference wants you to think it’s getting real. It’s not total B.S.
How to transition away from fossil fuels. How to measure adaptation. How to confront the gap between national climate plans and the Paris Agreement goals. How to mine critical minerals sustainably and fairly.
How to get things done — not just whether they should get done — was front and center at this year’s United Nations climate conference, a marked shift from the annual event’s proclivity for making broad promises to wrestling with some of the tougher realities of keeping global warming in check.
Friday is the last official day of the two-week gathering known as COP30, taking place on the edge of the Amazon rainforest in Belém, Brazil, although probably not the actual end of it. Despite early assurances from the Brazilian government that this year’s conference would finish on time, delegates are still hashing out a final decision text and are likely to keep at it until at least Saturday.
The Brazilian leadership and other COP veterans have framed this as an “implementation COP,” where parties to the Paris Agreement “move from pledges to action” and similar clichès. It’s certainly not the first time these words have been used at COP. The Paris Agreement itself was billed as “enhancing the implementation” of the UN Framework Convention on Climate Change, the foundational treaty underlying these annual negotiations.
“Action” may be a stretch to describe what ultimately happened this year. As is the case at every COP, the provision of finance, or lack thereof, from developed to developing countries dominated the discussion, preventing progress on other agenda items. “Climate finance just remains this ongoing obstacle,” Rachel Cleetus, a senior policy director for the Union of Concerned Scientists, told me. Global south countries and small island states argue they simply cannot increase their ambition, or work on adaptation, without finance. The conference’s repeated failure to come to terms with that is probably the biggest counterpoint to the idea that these meetings have become more grounded in reality.
It remains to be seen which, if any, of the efforts to work out the details of the transition will make it into the final agreement, but the success of these annual gatherings should not only be measured by what’s in the text.
Here are three key ways Belém has already pushed the conversation forward.
During a speech at the start of the conference, Brazil’s President Luiz Inácio Lula da Silva proclaimed that it is “impossible to discuss the energy transition without talking about critical minerals, essential to make batteries, solar panels, and energy systems.”
Never before had the negotiations broached the subject of all of the industrial earth-moving implicit in the fight against climate change. By the end of the first week, however, one of the working groups had released a draft text that acknowledged “the social and environmental risks associated with” extracting and processing critical minerals.
A later revision of the document added a note about “enabling fair access to opportunities and fair distribution of benefits of value addition,” a reference to breaking the pattern of rich countries extracting minerals cheaply from the Global South while keeping the more profitable processing and manufacturing of those minerals at home. (As of Friday morning, however, references to “critical minerals” were erased from the text.)
The text was released by the Just Transition Work Program, a newer workstream at the conference that was established at COP27 in Egypt. Outside of the critical minerals note, there was a larger push to get Just Transition program as a whole more grounded in reality. This area of the negotiations focuses on ensuring the goals of the Paris Agreement are achieved fairly and equitably, with recognition that the transition will happen at a different pace in different countries, with different implications for each one’s economy. It was primarily established as a forum for countries to exchange ideas and information, with biannual meetings.
At COP30, however, the G77, China, and many global south countries began pushing to turn it into more of an action-oriented group that guides the global transition and tracks progress using agreed-upon metrics.
The Just Transition mechanism is not to be confused with the much-talked-about roadmap to transition away from fossil fuels, although the two are closely tied.
Two years ago, the final agreement at COP28 in Dubai made history with the first-ever call for “transitioning away from fossil fuels in energy systems, in a just, orderly and equitable manner.” Last year, however, that edict was dropped, as negotiations over a new climate finance target took precedence. Now it’s been revived, with robust support from countries to build on the statement with a more fleshed-out plan. Phasing out fossil fuels has vastly different implications for different countries, some of whose economies are deeply dependent on revenue from their fossil resources. The roadmap would start to work through what it would really mean to coordinate the effort.
Once again, the message came from the top. “We need roadmaps that will enable humankind, in a fair and planned manner, to overcome its dependence on fossil fuels, halt and reverse deforestation, and mobilize resources to achieve these goals,” Brazil’s Silva said in a speech at the opening of the conference.
This past Tuesday, a coalition of a whopping 82 countries came out in support of this planning effort, pressing for it to be included in the final decision text. “This is a global coalition, with global north and global south countries coming together and saying with one voice: this is an issue which cannot be swept under the carpet,” Ed Miliband, the UK’s energy secretary, said during a press conference that day.
Several more countries have joined since, bringing the count to 88 — nearly half of the 195 parties to the Paris Agreement. The biggest fossil fuel emitters, such as China, India, and Saudi Arabia, are not on board, however. As of Friday morning, all mentions of fossil fuels, let alone a roadmap, have been scrubbed from the draft decision text. Still, the huge coalition backing the roadmap is a sign of a growing and potentially powerful consensus.
One of the big questions looming over this year’s conference was whether and how countries would address their utter failure to live up to the Paris Agreement’s goal to keep warming “well below 2°C above pre-industrial levels,” let alone the more ambitious target of 1.5 degrees.
A report issued by the United Nations Environment Program just before the talks began concluded that countries’ latest climate pledges, known as their “nationally determined contributions,” or NDCs, would put the planet on a path to warm at least 2.3 degrees by the end of the century. It also stated definitively that global average temperatures would exceed 1.5 degrees of warming.
This wasn’t news — scientists have previously concluded that exceeding 1.5 degrees is basically guaranteed. “But this is the first time we saw it so bluntly in the UN report,” Cleetus told me. “So that was a pretty sobering backdrop coming into this COP.”
All countries were supposed to submit updated NDCs this year that contained targets for 2035, but more than 70 have failed to do so, including India, one of the world’s biggest emitters.
Island states, backed by Latin American nations and the EU, wanted the conference to make some kind of declaration that countries’ current pledges are not sufficient and should be revised. The draft text issued this morning, while acknowledging the insufficiencies of NDCs, does not spell out the implications or required response as bluntly as many want to see.
It does, however, introduce an important new concept that could become a key part of the negotiations in the future. For the first time, the text references a resolve to “limit both the magnitude and duration of any temperature overshoot.” This not only acknowledges that it’s possible to bring temperatures back down after warming surpasses 1.5 degrees, but that the level at which temperatures peak, and the length of time we remain at that peak before the world begins to cool, are just as important. The statement implies the need for a much larger conversation about carbon removal that has been nearly absent from the annual COPs, but which scientists say that countries must have if they are serious about the Paris Agreement goals.
"If countries (or the UNFCCC) want to keep talking about reaching 1.5C, they need to embrace net-negative emissions, moving even beyond net-zero,” Oliver Geden, a senior fellow at the German Institute for International and Security Affairs, and an IPCC report author, told me. “If they don't want to do this, then talking about reaching 1.5°C is not credible anymore.”
Things in Sulphur Springs are getting weird.
Texas Attorney General Ken Paxton is trying to pressure a company into breaking a legal agreement for land conservation so a giant data center can be built on the property.
The Lone Star town of Sulphur Springs really wants to welcome data center developer MSB Global, striking a deal this year to bring several data centers with on-site power to the community. The influx of money to the community would be massive: the town would get at least $100 million in annual tax revenue, nearly three times its annual budget. Except there’s a big problem: The project site is on land gifted by a former coal mining company to Sulphur Springs expressly on the condition that it not be used for future energy generation. Part of the reason for this was that the lands were contaminated as a former mine site, and it was expected this property would turn into something like a housing development or public works project.
The mining company, Luminant, went bankrupt, resurfaced as a diversified energy company, and was acquired by power giant Vistra, which is refusing to budge on the terms of the land agreement. After sitting on Luminant’s land for years expecting it to be used for its intended purposes, the data center project’s sudden arrival appears to have really bothered Vistra, and with construction already underway, the company has gone as far as to send the town and the company a cease and desist.
This led Sulphur Springs to sue Vistra. According to a bevy of legal documents posted online by Jamie Mitchell, an activist fighting the data center, Sulphur Springs alleges that the terms of the agreement are void “for public policy,” claiming that land restrictions interfering with a municipality’s ability to provide “essential services” are invalid under prior court precedent in Texas. The lawsuit also claims that by holding the land for its own use, Vistra is violating state antitrust law by creating an “energy monopoly.” The energy company filed its own counterclaims, explicitly saying in a filing that Sulphur Springs was part of crafting this agreement and that “a deal is a deal.”
That’s where things get weird, because now Texas is investigating Luminant over the “energy monopoly” claim raised by the town. It’s hard not to see this as a pressure tactic to get the data center constructed.
In an amicus brief filed to the state court and posted online, Paxton’s office backs up the town’s claim that the land agreement against energy development violates the state’s antitrust law, the Texas Free Enterprise and Antitrust Act, contesting that the “at-issue restriction appears to be perpetual” and therefore illegally anti-competitive. The brief also urges the court not to dismiss the case before the state completes its investigation, which will undoubtedly lead to the release of numerous internal corporate documents.
“Sulphur Springs has alleged a pattern of restricting land with the potential for energy generation, with the effect of harming competition for energy generation generally, which would necessarily have the impact of increasing costs for both Sulphur Springs and Texas consumers generally,” the filing states. “Evaluating the competitive effects of Luminant’s deed restrictions as well as the harm to Texans generally is a fact-intensive matter that will require extensive discovery.”
The Texas attorney general’s office did not respond to multiple requests for comment on the matter. It’s worth noting that Paxton has officially entered the Republican Senate primary, challenging sitting U.S. Senator John Cornyn. Contrary to his position in this case, Paxton has positioned himself as a Big Tech antagonist and fought the state public utilities commission in pursuit of releasing data on the crypto mining industry’s energy use.
A solar developer gets into a forest fight in California, and more of the week’s top conflicts around renewables.
1. Sacramento County, California – A solar project has become a national symbol of the conflicts over large-scale renewables development in forested areas.
2. Sedgwick County, Kansas – I am eyeing this county to see whether a fight over a solar farm turns into a full-blown ban on future projects.
3. Montezuma County, Colorado – One southwest Colorado county is loosening restrictions on solar farms.
4. Putnam County, Indiana – An uproar over solar projects is now leading this county to say no to everything, indefinitely.
5. Kalamazoo County, Michigan – I’m eyeing yet another potential legal challenge against Michigan’s permitting reform efforts.