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It’s not the pipeline. It’s the power lines.

At first glance, the bipartisan deal to raise the debt ceiling seems pretty good for the climate.
Most importantly, it preserves the Inflation Reduction Act, President Joe Biden’s flagship climate law. That alone is a monumental victory, cementing Biden’s legacy (for now) and allowing his administration to continue its experiment with green industrial policy.
When climate advocates have spoken against the deal, they’ve focused their ire on the Mountain Valley Pipeline, a 304-mile conduit that will link West Virginia’s booming natural-gas fields to the rest of the country. The deal essentially approves the pipeline and exempts it from judicial oversight, all but ensuring its eventual completion. Senator Joe Manchin, a West Virginia Democrat, won the White House’s support for the pipeline when he agreed to the IRA last year.
Yet despite the chatter, the pipeline was not, in fact, the most important climate concession exacted in negotiations. The deal also made a number of changes to federal permitting law, especially the National Environmental Policy Act, or NEPA. These changes have been described as relatively small, common-sense reforms to the federal process — and in some cases they are. But they also represented critical leverage that Democrats just lost.
Democrats might have secured many other objectives in the debt-ceiling talks, including minimal cuts to some federal programs and a potential expansion of food stamps. But the deal’s permitting reforms are an uneven trade in which Democrats gave up much more than they gained and made virtually no progress on one of their biggest goals: making it easier to build long-distance power lines. When Congress revisits permitting reform in the next few months — as Speaker of the House Kevin McCarthy has promised – Democrats will find that they have little room to bargain.
The National Environmental Policy Act, or NEPA, requires that the federal government conduct an environmental study before it does much of anything. It also sets the rules by which the government decides whether to approve large-scale infrastructure. If a state wants to build a new highway with federal funds, it must apply to the government, which then runs a “NEPA process” to determine whether to grant funding. Virtually every major government project — whether a new mass-transit hub or an offshore wind farm — requires a NEPA study and a NEPA process.
Republicans have long wanted to tinker with NEPA. But while NEPA was once widely understood by progressives as a bedrock of federal environmental law, some on the left have recently become more open to reforming it. Fighting climate change will require building a lot of new infrastructure, they have argued, and NEPA could slow down that process. At the same time, virtually all Democrats want to simplify the process of building new long-distance power lines, which will lower electricity prices while ushering more renewables onto the grid. If America doesn’t double its rate of new transmission construction, then 80% of the IRA’s carbon reductions will be squandered, according to Jesse Jenkins, a Princeton engineering professor.
So a trade of sorts took shape: Democrats would open up NEPA, accomplishing a long-sought GOP goal, in exchange for easing the path for new power lines. When Senator Manchin proposed a permitting-reform bill last year, that’s essentially what it did.
The debt-ceiling deal inherits many of the NEPA reforms first contemplated in Manchin’s bill. Today, the strictest type of NEPA review takes 4.5 years to complete, although some studies can take much longer. The deal will impose a one-year deadline for most environmental-review studies and a two-year deadline for the strictest types. If an agency overruns these deadlines, then a project’s sponsor can sue the agency to get an accelerated decision.
The deal also imposes new page limits on NEPA studies. Today, the most stringent NEPA studies run to more than 500 pages on average. The deal would cap most NEPA studies to 150 pages, and the most complicated reviews to 300 pages.
To be sure, these reforms don’t go as far as the GOP wanted. Under one Republican proposal, for instance, the penalty for overrunning a NEPA deadline would have been a project’s immediate and irrevocable approval. But the deal also declines to provide more funding for NEPA agencies to hire staff, which some progressives have argued is the most important driver of NEPA delays.
The deal also narrows some of NEPA’s most important language, reducing the number of federal actions that require the most elaborate kind of environmental-impact study. An agency will now get to determine whether a project requires the highest level of NEPA review. That is “really problematic” because it could let officials do an end-run around the NEPA process, Kym Meyer, the litigation director at the Southern Environmental Law Center, told me.
Some of the deal’s most important consequences may not be visible in the legal text. The deal, for instance, says that projects qualifying for certain federal small-business loans do not need NEPA approval. That could effectively exempt many factory farms from the NEPA process, Meyer said.
The deal repeatedly inserts the words “reasonable” in NEPA, at one point limiting the types of environmental impacts that agencies must study only to those that are “reasonably foreseeable.” That may all sound, well, reasonable, and it could ultimately work out alright for environmentalists. But the courts — and the sharply conservative Supreme Court — will get to decide exactly where the lines of that reasonableness fall. “One thing we know for sure is that we’re gonna see a lot of litigation out of this,” Meyer said.
Which is not to say that Democrats failed to win concessions. Every NEPA study must now consider the environmental consequences of a project not happening — a new tool against NIMBYs who fight clean-energy projects. And energy-storage facilities, such as big batteries that store renewable electricity on the power grid, now qualify for an accelerated approval process.
The bill enacts a lot of what has been “circling around as a bipartisan set of permitting ideas for a couple of years now,” Xan Fishman, the director of energy policy at the Bipartisan Policy Center, a moderate think tank, told me. “It’s a lot of stuff that people on both sides of the aisle have called for, a lot of common-sense stuff. But there’s still a lot of stuff to do.”
The problem is that the bill makes all these changes without altering transmission policy at all. It funds a study on whether the United States should expand its long-distance transmission — ironic given that building new power lines already requires too many studies — but makes no substantive changes.
I’m sympathetic to the case for permitting reform, and I would describe the law’s changes to NEPA as aggressive but acceptable under the right circumstances. There’s some good stuff, some bad stuff, and much in between. But looking at the package in the context of this deal, I am more worried. By acceding to these changes, Democrats have surrendered their greatest leverage in future permitting-reform talks. Achieving transmission reform will now require much more profound changes to NEPA than many progressives may be willing to accept.
“They took care of the low-hanging fruit and there may not be a ladder high enough to get to the rest,” Rob Gramlich, a political consultant and one of the nation’s foremost transmission experts, told me.
That’s because Republicans want three major changes to federal environmental law, all of which could empower fossil fuels. First, lawmakers want to ease the way for international oil and natural-gas pipelines, limiting a president’s ability to block them under federal law. Second, Republicans want to revise the Clean Water Act so states can’t use it to block pipelines for climate-related reasons.
Finally, Republicans want to impose even stricter time limits on NEPA, adding a statute of limitations and a deadline for how long a NEPA-related lawsuit can drag on. This would require the biggest gamble of all: By time-delimiting NEPA fights, Democrats would keep NIMBYs from fighting clean-energy and mass-transit infrastructure, allowing a rapid low-carbon buildout. (As Ezra Klein has argued, NEPA hobbles the government’s power to build big public projects more than it limits private companies’.) But in doing so, Democrats would deprive environmental litigators of the time-sapping tactics that they use to slow down fossil-fuel projects.
Democrats, meanwhile, have more modest goals in any future permitting fight: They want long-distance power lines to be as easy to build as natural-gas pipelines. Right now, an interstate power line must win approval from dozens of state and local governments before it can be built, while a natural-gas pipeline only needs to be approved by a single federal agency. Democrats want to give that agency authority over transmission. Pending that, Democrats would require the grid in each region of the country to connect with its neighbors, guaranteeing a minimum amount of transmission capacity nationwide.
Suffice it to say that these are not equal goals. Republicans now want much deeper changes to NEPA than Democrats seek for transmission law. This is going to make any dealmaking much harder. It would have been a fair trade, once, to link transmission reforms to some of the permitting changes in the debt-ceiling deal. It would have been a savvy trade to package the deal’s modest reforms with some of the more aggressive proposals from each party, so as to make the ultimate “winner” of the negotiations more obscure. With those easy trades off the table, only hard choices remain.
So Democrats will soon have to make a much weightier gamble: Should they accept Republicans’ significant changes to NEPA in exchange for transmission reform?
That might feel like trading “a Taylor Swift ticket for a high-school baseball ticket,” Gramlich told me. If Democrats accept it, they will be making a world-historic bet: that decarbonization is all but assured, and that no amount of preferential treatment for pipelines or fossil fuels could change the market’s embrace of a low-carbon future. They might decide that weakening NEPA’s judicial reforms would enable a green buildout, not a gray one, allowing new IRA-subsidized infrastructure to flourish across the country. Or more darkly, they might decide that only a massive transmission mandate can secure the IRA’s carbon-reduction benefits, and that such a prize is worth a few new pipelines.
But I’ll be honest that I don’t see it happening. The party does not seem ready to make such a cosmic gamble on the future of the American energy system. Climate advocates couldn’t accept the Mountain Valley Pipeline by itself; how could they accept making it easier to build any pipeline going forward? A miracle could happen, of course, but for now, the hope of transmission reform seems dead.
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The data center boom is everywhere you look in U.S. economic and emissions data.
This is an edition of Heatmap Daily, an evening review of the day’s news written by our executive editor. Sign up for it here.
It isn’t exactly a new thought, but I’ve been struck recently by how many trends in America’s economic and environmental data are fundamentally about the data center boom and the return of electricity demand:
First, the Energy Information Administration reported this week that U.S. emissions grew by more than 2% last year, driven by surging electricity demand and an increase in coal-fired generation.What caused that higher power demand? New factories and data centers — as well as record summertime cooling demand.
Second, many of the new factories driving that higher power demand are themselves producing goods that are … let’s say … data center-adjacent. There are the enormous new semiconductor fabs, of course. But Ford and General Motors have also set up new production lines (or repurposed old ones) to manufacture grid-scale batteries to meet power demand.
Third, take a look at the recent U.S. spending on private non-residential construction — in other words, everything American companies are building that is not houses, condos, or apartments.
The construction industry’s spent almost $60 billion on data centers over the past year, which is more than it spent on all other office buildings combined (and more than it spent building warehouses, too). Just a handful of categories — data centers, power plants, electricity infrastructure, and certain kinds of electronics manufacturing — now make up a third of all U.S. private non-residential construction investment. They’ve never made up such a large share of construction spending since data collection began in 2014.
As The New York Times recently noted, the American economy is unusually dependent on the American stock market right now — and the stock market is unusually dependent on artificial intelligence. This week, investors started to balk at the enormous spending hyperscalers are planning to keep building out the AI boom; Alphabet’s shares dropped 8% this week after it boosted its planned 2026 capital expenditure and signaled 2027 will be even bigger. If the data center boom started to slow down in earnest, then more than just that budget will change.
Speaking of which, my colleague Emily Pontecorvo wrote earlier this week about how many businesses are struggling to even estimate their carbon emissions from artificial intelligence. The carbon accounting startup Watershed recently unveiled a new formula to help companies get a sense of their AI-related emissions.
But even that formula is still limited by the amount of data hyperscalers publish — and they don’t publish that much. Google, for instance, is the only AI company that has (laudably) provided estimates of its emissions on a per-prompt basis. Yet no company has published its per-token emissions, or how emissions sync up with particular models or regions.
So Emily asked Google: Why aren’t you — or any other model provider — disclosing this kind of data yet?
The tech company didn’t get back to us until after we’d published Emily’s story. But its response was interesting enough that I wanted to quote some of it here.
The problem is “industry consensus,” Cooper Elsworth, a Google spokesperson, told us. “There is currently very little consensus on how to comprehensively and fairly measure the serving environmental impact of generative AI (such as text generation),” he wrote. “Without standardized, ‘apples-to-apples’ frameworks, it is difficult to compare different providers accurately.”
That’s partly because energy use — and emissions data — can vary from site to site and depend on “custom-built hardware, software compilers, and advanced inference techniques.” And he claimed Google doesn’t always have the measurement hardware in place to provide such specific estimates: “Providing precise, repeatable data requires highly advanced measurement infrastructure,” he said. “For example, software-based energy monitoring tools often suffer from sampling biases. For our study, we had to step away from top-down averages and directly measure actual energy at the physical power supply unit (PSU) level across our deployed fleet. Not all providers have the telemetry or data sets required to benchmark their operations at this level of granularity.”
Read Emily’s story to understand the other reasons why estimating — or even “guesstimating” — AI-related carbon emissions is so challenging.
A conversation with Emma Uridge of the Kansas Health Institute.
This week’s conversation is with Emma Uridge, analyst with the Kansas Health Institute. Uridge spent copious hours analyzing state and local laws on data center development to best understand how policymakers are responding to the potential environmental public health impacts of large AI infrastructure, including power and water. The report, which came out this week, also goes in depth into those health impacts. I reached out to her to discuss what she sees as must-watch territory for our readers on this emerging policy arena.
Our conversation was lightly edited for clarity.
What is actually being done on policy when it comes to data centers — beyond moratoria of course?
So first I’d like to just talk about the point of moratoria. It’s helpful to talk about how these policies emerge in the first place. One area where moratoria are helpful is when a data center is proposed but the county has no approach for how they’d like to potentially regulate them. That’s temporary, most of the time. It lets local governments conduct research on the various impacts and also negotiate community benefits, ones that can mitigate any potential negative impacts — like Lancaster Pennsylvania, which instituted a community benefit agreement that maximized the potential benefits of development while mitigating what large data centers can do. That agreement looked at capping municipal water use at 20,000 gallons per day and requiring 100% clean energy. It had financial penalties for non-compliance. The company also committed $20 million to their local economic development and clean energy fund. There are ways to negotiate with developers.
We also see amendments to existing zoning. Data center proposals are increasingly popping up in rural areas, many of which are unzoned, so there’s no way a county can negotiate unless there’s a moratorium in place.
Other policy solutions include different performance standards or requiring on-site renewable energy, like what Jefferson County, Missouri, looked at. Also setback requirements, mandatory noise buffers, ending by-right zoning.
Where are local governments getting ideas for regulating data centers?
A lot of the technical information comes from developers. That can in cases be seen as a biased source of information. I wouldn’t say there’s a dedicated group providing assistance to local governments when a project is proposed — which is a similar story to wind industry development, where we have only a handful of consultants who provide technical advice. It can be really helpful to get a multi-disciplinary approach to hearing information. It can be helpful to have the utility commission, public health folks, those in academia, as well as the developer.
As of right now, especially in rural areas, local governments have a hard task of balancing pushback while getting the most accurate, evidence-based, neutral information to make decisions. That balance can be contentious.
What is the federal government doing on data center policy? How is the Trump administration approaching it?
A few things there. In the early days, the drive was for AI expansion and to be competitive with foreign adversaries. Now due to the amount of public pushback in red and blue localities and a more cautious approach.
I’m not seeing a lot of actual policy movement at this time.
I know the EPA is looking at the chemicals used in cooling data centers because when that water is cycled through the system, some of it is discharged into the water system, so they’re looking at the Toxic Substances and Control Act for monitoring that.
How much of an impact does this minimal federal role have on industry behavior?
Y’know, this isn’t specific to data centers. This is true for all kinds of large-scale development: there’s a need to require some sort of federal monitoring and regulation.
That’s where I see an emerging role for public health. At the federal level, there could be policy movement towards requiring some sort of environmental monitoring at data centers to make sure they’re operating responsibility. Looking at specific water use relative to water availability and what happens when there’s a time of severe, persistent drought. With air quality too — we’ve seen areas where the grid isn’t as reliable so their diesel generators are kicking on more and affecting air quality for residents.
We’re just not seeing all of that right now. We need corporate disclosure.
What do you see as the most important public health impacts from data center development?
It varies by localities. The most discussed obviously is water usage. One thing I’d note about my conversations with folks enthusiastic around emerging tech is, there are still questions that need to be asked about the capacity of localities to support a data center. Like a small town in Kansas may only be using 40% of their water for their utility needs. If a data center came online, how much of that water goes to the data center?
One area underexplored within the public health discipline is energy poverty and energy security. The ability of a household to meet the needs of everything energy provides in our lives. It’s known we have an aging electric grid but we’re not talking enough about large-scale blackouts when the grid is not sufficient to support some of these new data centers.
Plus more of the week’s big development fights.
1. Laramie County, Wyoming — Meta is fighting the fine it received in the Cheyenne data center water pollution controversy, and the conflict between the tech giant and the city’s small board of public utilities is continuing to spill out into the public.
2. Niagara County, New York — This county just rejected a solar project’s highway work permits in a show of retaliation against the state’s Office of Renewable Energy Siting.
3. Barron County, Wisconsin — The anti-solar protest is the new campaign stop in deep red Wisconsin.
4. Chesapeake, Virginia — A large battery storage project on the Virginia coastline is on the rocks amidst rampant local opposition.
5. Lewis County, West Virginia — West Virginia is now a key battleground in the fight over transmission, as a line spanning all of West Virginia and Maryland — and cutting through Data Center Alley in Virginia — causes compounding consternation.