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‘There’s something in the air’: UK airport expansion gears up for takeoff

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Sunday, September 15, 2024

The younger, tormented minister mulling his position before the Labour government granted Heathrow’s third runway in 2009 might have been greatly relieved to know that, 15 years later, not a shovel would have touched the ground.But now, returning to power with a revamped energy and climate brief, Ed Miliband again finds himself in a cabinet which, many in aviation hope, may usher in bigger airports and more flights – as well as enough CO2 emissions to outweigh any new solar farms.Despite emerging victorious in political and legal battles over its plans for a third runway, Heathrow has dropped down the airport expansion queue. Among London airports alone, City has just been granted permission to expand passenger numbers by 40%, while Luton and Gatwick await ministerial decisions on large developments that would add huge numbers of flights.Net zero may still be the government’s stated ambition, but the messages ringing louder in airport executives ears are those from the chancellor, Rachel Reeves, stressing growth and planning reforms to get Britain building infrastructure again – particularly the type not funded by the battered public purse. A pre-election interview in which Reeves underlined she had “nothing against expanding airport capacity … I back our airports” was noted.Planes land, taxi and unload at Heathrow airport. Photograph: Steve Parsons/PAGrowth doesn’t necessarily mean new runways. Airports’ passenger capacities are often limited in original planning conditions, which several hope to amend. Bigger planes and extended flight hours, as well as reconfigured buildings and more efficient operations, can all bring more customers through. Manchester and Birmingham are growing with terminal renovations, while a large extension to Stansted’s terminalfollows the airport’s legal victory in pushing its permitted capacity to 43 million passengers a year.Britain’s operators might not yet have the brass neck of Ireland’s Dublin airport which, its Ryanair-schooled CEO Kenny Jacobs announced last week, would simply be breaking its licensed 32m limit this year, and hadn’t checked the sanctions. “We’re in uncharted territory”, Jacobs said.But the operators would certainly echo his accompanying sentiments: that bigger airports mean trade, jobs and growth. Jacobs claimed that meeting the threshold, by turning away a million passengers in 2025, would lose Ireland €500m (£420m) in visitor spending and cost 1,000 jobs.Similar figures are bandied around in south-east England by Gatwick, which has rebranded an existing taxiway as a standby “northern runway” as it seeks permission for the kind of expansion ruled out last decade by the Airport Commission. Tim Norwood, Gatwick’s chief planning officer, said the runway plans “will be a major contributor to our airport’s long-term growth and will deliver a significant boost to the region, by generating 14,000 new jobs and £1bn for the economy every year”.Luton airport hopes to increase its passenger numbers from 19 million a year to 32 million. Photograph: Dominika Zarzycka/SOPA Images/REX/ShutterstockA planning inspector’s report will land on the transport secretary Louise Haigh’s desk in November, for a decision early in 2025. Before that, Haigh must rule on Luton’s masterplan to fly 32 million passengers a year, up from the current 19 million maximum, by adding a terminal and expanding into a neighbouring park.Paul Kehoe, chair of Luton Rising, the council-owned company that runs the airport, said the proposal would make “best use of the airport’s existing runway and assets and play a crucial role in stimulating regional economic growth by enhancing trade, attracting investment and boosting tourism – generating an additional £1.5bn in economic activity every year by the mid-2040s”. It would bring 11,000 jobs at the airport, he added.Will these applications succeed? According to one industry source, “The mood music is positive … There’s something in the air.” And not just another jet to the Balearics.Labour’s manifesto had none of the measures to curb aviation proposed by the Liberal Democrats or Greens, and decisions on these large privately funded infrastructure projects are expected to be led by the Treasury rather than the DfT.Officially, all expansion has to meet the party’s four tests, three of which are environmental: would a bigger airport harm air quality; increase noise; and still allow Britain to meet its climate change targets. But the fourth, whether it brings countrywide economic benefits, is the one that suddenly seems the most germane to policymakers.skip past newsletter promotionSign up to Business TodayGet set for the working day – we'll point you to all the business news and analysis you need every morningPrivacy Notice: Newsletters may contain info about charities, online ads, and content funded by outside parties. For more information see our Privacy Policy. We use Google reCaptcha to protect our website and the Google Privacy Policy and Terms of Service apply.after newsletter promotionThe industry insists that the environment will not be simply shunted aside for the economy. AirportsUK, the renamed trade body for the operators, said international flights were “important enablers of economic growth, and will play an important role in delivering the government’s ambition to have the fastest rate of growth in the G7”; and that airport expansion “would directly create jobs, inject investment into all areas of the UK and stimulate trade and investment”. But, it said, “airports can expand while meeting net zero commitments” and should be allowed “to grow sustainably, subject to planning and environmental requirements”.Most environmental groups, of course, disagree. Opposition to expansion has in no way been softened by the greatest current hope of “sustainable aviation”: its eponymous fuels (SAF).Others argue that the economic arguments are fundamentally flawed. Alex Chapman of the thinktank the New Economics Foundation says: “If we are saying airport expansion drives growth, what is the mechanism? Typically most of the modelling suggests it is through business travellers and trade. But the statistics show that there has been no net increase in business travel since 2006, when capacity has grown dramatically. All the growth has come from the leisure market.An aerial image of Gatwick airport. Critics say building Heathrow’s third runway would be like ‘plonking Gatwick next to the existing site’. Photograph: One Plus One Media/Alamy “That poses serious questions for those who argue airports deliver growth. It’s not clear that residents flying overseas for holidays is of any economic benefit to the UK.” Data published by Visit Britain this month showed domestic tourism declining by 5% year on year, with spending down 9%, hitting the regions hardest, as outbound trips boomed.A longstanding campaigner for Labour and on transport issues, who declined to be named, said: “Within a lot of Labour, there’s a reflex belief in the voodoo economics pushed by the airports.”Now though, he said: “There is another group of very senior Labour politicians who do understand the environmental implications, in a way ministers didn’t 20 years ago.”While the Ed Miliband of 2024 has rapidly approved massive renewable energy projects, Chapman warns: “All of that progress in terms of carbon emissions on onshore wind and solar is likely to be immediately wiped out by one or two airport expansions.”And the shadow of the big one, Heathrow, looms again. Heathrow declined to comment for this feature, but its chief executive, Thomas Woldbye, said in July that the airport was hoping to get “more capacity out of the existing infrastructure”, while also working on new runway plans.Paul Beckford, policy director at anti-Heathrow expansion group, Hacan, said: “All of these other southeast airport expansions combined don’t equate to the size of Heathrow’s expansion in its size or climate impact … Building Heathrow’s third runway would be like plonking Gatwick next to the existing site.”A Department for Transport spokesperson said: “We are committed to securing the long-term future of the UK’s aviation sector.“However, all expansion proposals must demonstrate they contribute to economic growth, while remaining in line with existing environmental obligations.”

Lobbyists are increasingly confident about expansion plans as concerns for the economy start to deepenThe younger, tormented minister mulling his position before the Labour government granted Heathrow’s third runway in 2009 might have been greatly relieved to know that, 15 years later, not a shovel would have touched the ground.But now, returning to power with a revamped energy and climate brief, Ed Miliband again finds himself in a cabinet which, many in aviation hope, may usher in bigger airports and more flights – as well as enough CO2 emissions to outweigh any new solar farms. Continue reading...

The younger, tormented minister mulling his position before the Labour government granted Heathrow’s third runway in 2009 might have been greatly relieved to know that, 15 years later, not a shovel would have touched the ground.

But now, returning to power with a revamped energy and climate brief, Ed Miliband again finds himself in a cabinet which, many in aviation hope, may usher in bigger airports and more flights – as well as enough CO2 emissions to outweigh any new solar farms.

Despite emerging victorious in political and legal battles over its plans for a third runway, Heathrow has dropped down the airport expansion queue. Among London airports alone, City has just been granted permission to expand passenger numbers by 40%, while Luton and Gatwick await ministerial decisions on large developments that would add huge numbers of flights.

Net zero may still be the government’s stated ambition, but the messages ringing louder in airport executives ears are those from the chancellor, Rachel Reeves, stressing growth and planning reforms to get Britain building infrastructure again – particularly the type not funded by the battered public purse. A pre-election interview in which Reeves underlined she had “nothing against expanding airport capacity … I back our airports” was noted.

Planes land, taxi and unload at Heathrow airport. Photograph: Steve Parsons/PA

Growth doesn’t necessarily mean new runways. Airports’ passenger capacities are often limited in original planning conditions, which several hope to amend. Bigger planes and extended flight hours, as well as reconfigured buildings and more efficient operations, can all bring more customers through. Manchester and Birmingham are growing with terminal renovations, while a large extension to Stansted’s terminalfollows the airport’s legal victory in pushing its permitted capacity to 43 million passengers a year.

Britain’s operators might not yet have the brass neck of Ireland’s Dublin airport which, its Ryanair-schooled CEO Kenny Jacobs announced last week, would simply be breaking its licensed 32m limit this year, and hadn’t checked the sanctions. “We’re in uncharted territory”, Jacobs said.

But the operators would certainly echo his accompanying sentiments: that bigger airports mean trade, jobs and growth. Jacobs claimed that meeting the threshold, by turning away a million passengers in 2025, would lose Ireland €500m (£420m) in visitor spending and cost 1,000 jobs.

Similar figures are bandied around in south-east England by Gatwick, which has rebranded an existing taxiway as a standby “northern runway” as it seeks permission for the kind of expansion ruled out last decade by the Airport Commission. Tim Norwood, Gatwick’s chief planning officer, said the runway plans “will be a major contributor to our airport’s long-term growth and will deliver a significant boost to the region, by generating 14,000 new jobs and £1bn for the economy every year”.

Luton airport hopes to increase its passenger numbers from 19 million a year to 32 million. Photograph: Dominika Zarzycka/SOPA Images/REX/Shutterstock

A planning inspector’s report will land on the transport secretary Louise Haigh’s desk in November, for a decision early in 2025. Before that, Haigh must rule on Luton’s masterplan to fly 32 million passengers a year, up from the current 19 million maximum, by adding a terminal and expanding into a neighbouring park.

Paul Kehoe, chair of Luton Rising, the council-owned company that runs the airport, said the proposal would make “best use of the airport’s existing runway and assets and play a crucial role in stimulating regional economic growth by enhancing trade, attracting investment and boosting tourism – generating an additional £1.5bn in economic activity every year by the mid-2040s”. It would bring 11,000 jobs at the airport, he added.

Will these applications succeed? According to one industry source, “The mood music is positive … There’s something in the air.” And not just another jet to the Balearics.

Labour’s manifesto had none of the measures to curb aviation proposed by the Liberal Democrats or Greens, and decisions on these large privately funded infrastructure projects are expected to be led by the Treasury rather than the DfT.

Officially, all expansion has to meet the party’s four tests, three of which are environmental: would a bigger airport harm air quality; increase noise; and still allow Britain to meet its climate change targets. But the fourth, whether it brings countrywide economic benefits, is the one that suddenly seems the most germane to policymakers.

skip past newsletter promotion

after newsletter promotion

The industry insists that the environment will not be simply shunted aside for the economy. AirportsUK, the renamed trade body for the operators, said international flights were “important enablers of economic growth, and will play an important role in delivering the government’s ambition to have the fastest rate of growth in the G7”; and that airport expansion “would directly create jobs, inject investment into all areas of the UK and stimulate trade and investment”. But, it said, “airports can expand while meeting net zero commitments” and should be allowed “to grow sustainably, subject to planning and environmental requirements”.

Most environmental groups, of course, disagree. Opposition to expansion has in no way been softened by the greatest current hope of “sustainable aviation”: its eponymous fuels (SAF).

Others argue that the economic arguments are fundamentally flawed. Alex Chapman of the thinktank the New Economics Foundation says: “If we are saying airport expansion drives growth, what is the mechanism? Typically most of the modelling suggests it is through business travellers and trade. But the statistics show that there has been no net increase in business travel since 2006, when capacity has grown dramatically. All the growth has come from the leisure market.

An aerial image of Gatwick airport. Critics say building Heathrow’s third runway would be like ‘plonking Gatwick next to the existing site’. Photograph: One Plus One Media/Alamy

“That poses serious questions for those who argue airports deliver growth. It’s not clear that residents flying overseas for holidays is of any economic benefit to the UK.”

Data published by Visit Britain this month showed domestic tourism declining by 5% year on year, with spending down 9%, hitting the regions hardest, as outbound trips boomed.

A longstanding campaigner for Labour and on transport issues, who declined to be named, said: “Within a lot of Labour, there’s a reflex belief in the voodoo economics pushed by the airports.”

Now though, he said: “There is another group of very senior Labour politicians who do understand the environmental implications, in a way ministers didn’t 20 years ago.”

While the Ed Miliband of 2024 has rapidly approved massive renewable energy projects, Chapman warns: “All of that progress in terms of carbon emissions on onshore wind and solar is likely to be immediately wiped out by one or two airport expansions.”

And the shadow of the big one, Heathrow, looms again. Heathrow declined to comment for this feature, but its chief executive, Thomas Woldbye, said in July that the airport was hoping to get “more capacity out of the existing infrastructure”, while also working on new runway plans.

Paul Beckford, policy director at anti-Heathrow expansion group, Hacan, said: “All of these other southeast airport expansions combined don’t equate to the size of Heathrow’s expansion in its size or climate impact … Building Heathrow’s third runway would be like plonking Gatwick next to the existing site.”

A Department for Transport spokesperson said: “We are committed to securing the long-term future of the UK’s aviation sector.

“However, all expansion proposals must demonstrate they contribute to economic growth, while remaining in line with existing environmental obligations.”

Read the full story here.
Photos courtesy of

Indigenous People Reflect On What It Meant To Participate In COP30 Climate Talks

Many who attended the UN summit in the Amazon liked the solidarity and small wins, but some felt the talks fell short on representation and true climate action.

BELEM, Brazil (AP) — Indigenous people filled the streets, paddled the waterways and protested at the heart of the venue to make their voices heard during the United Nations climate talks that were supposed to give them a voice like never before at the annual conference.As the talks, called COP30, concluded Saturday in Belem, Brazil, Indigenous people reflected on what the conference meant to them and whether they were heard.Brazilian leaders had high hopes that the summit, taking place in the Amazon, would empower the people who inhabit the land and protect the biodiversity of the world’s largest rainforest, which helps stave off climate change as its trees absorb carbon pollution that heats the planet.Many Indigenous people who attended the talks felt strengthened by the solidarity with tribes from other countries and some appreciated small wins in the final outcome. But for many, the talks fell short on representation, ambition and true action on climate issues affecting Indigenous people.“This was a COP where we were visible but not empowered,” said Thalia Yarina Cachimuel, a Kichwa-Otavalo member of A Wisdom Keepers Delegation, a group of Indigenous people from around the world.Some language wins but nothing on fossil fuelsFrom left: Taily Terena, Gustavo Ulcue Campo, Bina Laprem and Sarah Olsvig attend an Indigenous peoples forum on climate change at the COP30 UN Climate Summit, on Nov. 21, 2025, in Belem, Brazil.Andre Penner via Associated PressThe first paragraph of the main political text acknowledges “the rights of Indigenous Peoples, as well as their land rights and traditional knowledge.”Taily Terena, an Indigenous woman from the Terena nation in Brazil, said she was happy because the text for the first time mentioned those rights explicitly.But Mindahi Bastida, an Otomí-Toltec member of A Wisdom Keepers Delegation, said countries should have pushed harder for agreements on how to phase out fuels like oil, gas and coal “and not to see nature as merchandise, but to see it as sacred.”Several nations pushed for a road map to curtail use of fossil fuels, which when burned release greenhouse gases that warm the planet. Saturday’s final decision left out any mention of fossil fuels, leaving many countries disappointed.Brazil also launched a financial mechanism that countries could donate to, which was supposed to help incentivize nations with lots of forest to keep those ecosystems intact.Although the initiative received monetary pledges from a few countries, the project and the idea of creating a market for carbon are false solutions that “don’t stop pollution, they just move it around,” said Jacob Johns, a Wisdom Keeper of the Akimel O’Otham and Hopi nations.“They hand corporations a license to keep drilling, keep burning, keep destroying, so long as they can point to an offset written on paper. It’s the same colonial logic dressed up as climate policy,” Johns said.Concerns over tokenismBrazil Indigenous Peoples Minister Sonia Guajajara (R) poses for a selfie while walking through the COP30 UN Climate Summit venue, on Nov. 17, 2025, in Belem, Brazil.Andre Penner via Associated PressFrom the beginning of the conference, some Indigenous attendees were concerned visibility isn’t the same as true power. At the end, that sentiment lingered.“What we have seen at this COP is a focus on symbolic presence rather than enabling the full and effective participation of Indigenous Peoples,” Sara Olsvig, chair of the Inuit Circumpolar Council, wrote in a message after the conference concluded.Edson Krenak, Brazil manager for Indigenous rights group Cultural Survival and member of the Krenak people, didn’t think negotiators did enough to visit forests or understand the communities living there. He also didn’t believe the 900 Indigenous people given access to the main venue was enough.Sônia Guajajara, Brazil’s minister of Indigenous peoples, who is Indigenous herself, framed the convention differently.“It is undeniable that this is the largest and best COP in terms of Indigenous participation and protagonism,” she said.Protests showed power of Indigenous solidarityIndigenous leader and climate activist Txai Surui (R) shouts slogans while leaving a plenary session during the COP30 UN Climate Change Conference in Belem, Brazil, on Nov. 21, 2025. Pablo Porciuncula/AFP via Getty ImagesWhile the decisions by delegates left some Indigenous attendees feeling dismissed, many said they felt empowered by participating in demonstrations outside the venue.When the summit began on Nov. 10, Paulo André Paz de Lima, an Amazonian Indigenous leader, thought his tribe and others didn’t have access to COP30. During the first week, he and a group of demonstrators broke through the barrier to get inside the venue. Authorities quickly intervened and stopped their advancement.De Lima said that act helped Indigenous people amplify their voices.“After breaking the barrier, we were able to enter COP, get into the Blue Zone and express our needs,” he said, referring to the official negotiation area. “We got closer (to the negotiations), got more visibility.”The meaning of protest at this COP wasn’t just to get the attention of non-Indigenous people, it also was intended as a way for Indigenous people to commune with each other.On the final night before an agreement was reached, a small group with banners walked inside the venue, protesting instances of violence and environmental destruction from the recent killing of a Guarani youth on his own territory to the proposed Prince Rupert Gas Transmission Project in Canada.“We have to come together to show up, you know? Because they need to hear us,” Leandro Karaí of the Guarani people of South America said of the solidarity among Indigenous groups. “When we’re together with others, we’re stronger.“They sang to the steady beat of a drum, locked arms in a line and marched down the long hall of the COP venue to the exit, breaking the silence in the corridors as negotiators remained deadlocked inside.Then they emerged, voices raised, under a yellow sky.

This Pig’s Bacon Was Delicious—and She’s Alive and Well

This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. I’m eating Dawn the Yorkshire pig and she’s quite tasty. But don’t worry. She’s doing perfectly fine, traipsing around a sanctuary in upstate New York. Word is that she appreciates belly rubs and sunshine. I’m in San Francisco, at an Italian […]

This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. I’m eating Dawn the Yorkshire pig and she’s quite tasty. But don’t worry. She’s doing perfectly fine, traipsing around a sanctuary in upstate New York. Word is that she appreciates belly rubs and sunshine. I’m in San Francisco, at an Italian joint just south of Golden Gate Park, enjoying meatballs and bacon not made of meat in the traditional sense but of plants mixed with “cultivated” pork fat. Dawn, you see, donated a small sample of fat, which a company called Mission Barns got to proliferate in devices called bioreactors by providing nutrients like carbohydrates, amino acids, and vitamins—essentially replicating the conditions in her body. Because so much of the flavor of pork and other meats comes from the animal’s fat, Mission Barns can create products like sausages and salami with plants but make them taste darn near like sausages and salami.  I’ve been struggling to describe the experience, because cultivated meat short-circuits my brain—my mouth thinks I’m eating a real pork meatball, but my brain knows that it’s fundamentally different and that Dawn (pictured above) didn’t have to die for it. This is the best I’ve come up with: It’s Diet Meat. Just as Diet Coke is an approximation of the real thing, so too are cultivated meatballs. They simply taste a bit less meaty, at least to my tongue. Which is understandable, as the only animal product in this food is the bioreactor-grown fat. Cultivated pork is the newest entrant in the effort to rethink meat. For years, plant-based offerings have been mimicking burgers, chicken, and fish with ever-more convincing blends of proteins and fats. Mission Barns is one of a handful of startups taking the next step: growing real animal fat outside the animal, then marrying it with plants to create hybrids that look, cook, and taste more like what consumers have always eaten, easing the environmental and ethical costs of industrial livestock. The company says it’s starting with pork because it’s a large market and products like bacon are fat-rich, but its technology is “cell-agnostic,” meaning it could create beef and chicken, too. Lab-grown meat ballsMatt Simon Honestly, Mission Barns’ creations taste great, in part because they’re “unstructured,” in the parlance of the industry. A pork loin is a complicated tangle of fat, muscle cells, and connective tissues that is very difficult and expensive to replicate, but a meatball, salami, or sausage incorporates other ingredients. That allows Mission Barns to experiment with what plant to use as a base, and then add spices to accentuate the flavors. It’s a technology that they can iterate, basically, crafting ever-better meats by toying with ingredients in different ratios.  So the bacon I ate, for instance, had a nice applewood smoke to it. The meatballs had the springiness you’d expect. During a later visit to Mission Barns’ headquarters across town, I got to try two prototypes of its salami as well—both were spiced like you’d expect but less elastic, so they chewed a bit more easily than what you’d find on a charcuterie board. (The sensation of food in the mouth is known in the industry as “mouthfeel,” and nailing it is essential to the success of alt meats.) The salami slices even left grease stains on the paper they were served on—Dawn’s own little mark on the world. I was one of the first people to purchase a cultivated pork product. While Mission Barns has so far only sold its products at that Italian restaurant and, for a limited time, at a grocery store in Berkeley—$13.99 for a pack of eight meatballs, similar to higher-end products from organic and regenerative farms—it is fixing to scale up production and sell the technology to other companies to produce more cultivated foods. (It is assessing how big the bioreactors will have to be to reach price parity with traditional meat products.) The idea is to provide an alternative to animal agriculture, which uses a whole lot of land, water, and energy to raise creatures and ship their flesh around the world. Livestock are responsible for between 10 and 20 percent of humanity’s greenhouse gas emissions—depending on who’s estimating it—and that’s to say nothing of the cruelty involved in keeping pigs and chickens and cows in unsavory, occasionally inhumane, conditions. “I also love the idea of taking their pork fat and putting it in a beef burger.” Getting animal cells to grow outside of an animal, though, ain’t easy. For one, if cells don’t have anything to attach to, they die. So Mission Barns’ cultivator uses a spongelike structure, full of nooks and crannies that provides lots of surface area for the cells to grow. “We have our media, which is just the nutrient solution that we give to these cells,” said Saam Shahrokhi, chief technology officer at Mission Barns. “We’re essentially recapitulating all of the environmental cues that make cells inside the body grow fat, [but] outside the body.” While Dawn’s fat is that of a Yorkshire pig, Shahrokhi said they could easily produce fat from other breeds like the Mangalitsa, known as the Kobe beef of pork. (In June, the company won approval from the US Department of Agriculture to bring its cultivated fat to market.) Fat in hand, Mission Barns can mix it with plant proteins. If you’re familiar with Impossible Foods, it uses soy to replicate the feel and look of ground beef and adds soy leghemoglobin, which is similar to the heme that gives meat its meaty flavor. Depending on the flavor and texture it’s trying to copy, Mission Bay uses pea protein for the meatballs and sausages, wheat for the bacon, and fava beans for the salami. “The plant-based meat industry has done pretty well with texture,” said Bianca Le, head of special projects at Mission Barns. “I think what they’re really missing is flavor and juiciness, which obviously is where the fat comes in.” But the fat is just the beginning. Mission Barns’ offerings not only have to taste good, but also can’t have an off-putting smell when they’re coming out of the package and when they’re cooking. The designers have to dial in the pH, which could degrade the proteins if not balanced. How the products behave on the stove or in the oven has to be familiar, too. “If someone has to relearn how to cook a piece of bacon or a meatball, then it’s never going to work,” said Zach Tyndall, the product development and culinary manager at Mission Barns. Lab-grown salamiMatt Simon When I pick up that piece of salami, it has to feel like the real thing, in more ways than one. Indeed, it’s greasy in the hand and has that tang of cured meat. It’s even been through a dry-aging process to reduce its moisture. “We treat this like we would a conventional piece of salami,” Tyndall said.  Cultivated meat companies may also go more unconventional. “I also love the idea of taking their pork fat and putting it in a beef burger—what would happen if you did that?” said Barb Stuckey, chief new product strategy officer at Mattson, a food developer that has worked with many cultivated meat companies. “Mixing species, it’s not something we typically do. But with this technology, we can.”  Of course, in this new frontier of food, the big question is: Who exactly is this for? Would a vegetarian or vegan eat cultured pork fat if it’s divorced from the cruelty of factory farming? Would meat-eaters be willing to give up the real thing for a facsimile? Mission Barns’ market research, Le said, found that its early adopters are actually flexitarians—people who eat mostly plant-based but partake in the occasional animal product. But Le adds that their first limited sale to the public in Berkeley included some people who called themselves vegetarians and vegans.  There’s also the matter of quantifying how much of an environmental improvement cultivated fat might offer over industrial pork production. If scaled up, one benefit of cultivated food might be that companies can produce the stuff in more places—that is, instead of sprawling pig farms and slaughterhouses being relegated to rural areas, bioreactors could be run in cities, cutting down on the costs and emissions associated with shipping. Still, those factories would need energy to grow fat cells, though they could be run on renewable electricity. “We modeled our process at the large commercial scale, and then compared it to U.S. bacon production,” Le said. (The company would not offer specific details, saying it is in the process of patenting its technique.) “And we found that with renewable energy, we do significantly better in terms of greenhouse gas emissions.” Whether or not consumers bite, though, remains to be seen. The market for meat alternatives in the US has majorly softened of late: Beyond Meat, which makes plant-based products like burgers and sausages, has seen revenues drop significantly, in part because of consumers’ turn away from processed foods. But by licensing its technology elsewhere, Mission Barns’ strategy is to break into new markets beyond the United States. The challenges of cultivated meat go beyond the engineering once you get to the messaging and branding—telegraphing to consumers that they’re buying something that may in fact be partially meat. “When you buy chicken, you get 100 percent chicken,” Stuckey said. “I think a lot of people go into cultivated meat thinking what’s going to come onto the market is 100 percent cultivated chicken, and it’s not going to be that. It’s going to be something else.”  Regardless of the trajectory of cultivated fat products, Dawn will continue mingling with llamas, soaking up the sunshine, and getting belly rubs in upstate New York—even as she makes plants taste more like pork. 

Why is climate action stalling, not ramping up as Earth gets hotter?

As the impact of global warming becomes more obvious, you might expect countries to step up climate action and preparation, but we’re seeing the opposite happen

Climate campaigners march on the sidelines of the COP30 summit in Belém, BrazilPABLO PORCIUNCULA/AFP via Getty Images Ten years on from the Paris Agreement, we should be seeing a massive ratcheting up of climate action. Instead, the past four years have seen almost no progress – including at the latest COP summit, which failed to take any meaningful steps towards phasing out fossil fuels or ending deforestation. What’s going on? I don’t know the answer. But I’m starting to fear that rather than responding more rationally as the world heats up and the impacts get ever more serious, our responses are becoming more irrational. If that is the case, climate impacts are going to be much worse than they would otherwise be, and the prospect of a decline in our global civilisation seems more plausible than I have long thought. Let’s start by going back to the Paris Agreement of 2015. The whole idea of an international climate agreement under which every country sets its own targets for limiting greenhouse emissions seemed ludicrous to me. As did the idea of setting an “aspirational” target of 1.5°C that was wildly disconnected from what countries were planning to do. Supporters claimed this would be solved by a “ratchet mechanism”, under which countries would progressively increase their targets. I wasn’t convinced. I came away from Paris regarding it as a gigantic greenwashing exercise. My expectation was that it would have little immediate impact, but as the effects of warming became more obvious, action would start to ramp up. In other words, reason would eventually prevail. So far, the opposite has happened. In the lead-up to Paris, in October 2015, the Climate Action Tracker project estimated that the world was heading for warming of around 3.6°C by 2100, based on current policies and action. By 2021, that estimate had been revised down to around 2.6°C. That’s a massive improvement − it seemed Paris was working. But the latest Climate Action Tracker report ahead of the COP30 summit makes for grim reading. For the fourth year in a row there has been “little to no measurable progress”. “Global progress is stalling,” the report says. “While a handful of countries are making genuine progress, their efforts are counterbalanced by others delaying, or rolling back climate policies.” In fact, an astonishing 95 per cent of countries missed this year’s deadline for updating their targets under that ratchet mechanism. Yes, renewable energy generation is growing much faster than predicted. But this is being counterbalanced by the huge sums being poured into fossil fuels. Cheap solar alone isn’t going to save us. For one thing, negative feedback effects kick in: the more solar there is, the less profitable it is to install more. For another, generating green electricity is the easy part – we’re not making nearly enough progress on the hard things, such as farming, flying and steel-making. What’s more, the problem isn’t just the failure to slash emissions. We’re not preparing to cope with what’s coming, either. We’re still building cities on sinking land next to rising seas. “Adaptation progress is either too slow, has stalled, or is heading in the wrong direction,” said an April report by the UK’s Climate Change Committee – and the picture is similar elsewhere. The big question is why climate action is stalling instead of ramping up further. In some countries, it’s obviously due to the election of politicians who don’t see climate change as a priority or unashamedly deny it, as reflected by the US withdrawing from the Paris Agreement. Even governments that say climate is a priority are doing less, however, seemingly on the basis that there are more urgent issues to deal with such as the cost of living crisis. Yet the cost of living crisis is in part a climate crisis, with extreme weather helping drive up food prices. As warming continues, the impact on food and the wider economy is only going to become more serious. Are we going to get to the point where governments say they can’t act on climate change because of the costs of dealing with major cities being inundated by rising seas? Are people’s fears about the state of the world going to make them keep voting for climate deniers despite pollsters telling us that most people worldwide want more climate action? The idea that that growing evidence will persuade leaders to come to their senses is looking ever more naive. We are, after all, in a strange multiverse where the US Centers for Disease Control is promoting antivax nonsense even as the country is about to lose its measles-free status, and where some politicians promote the idea that hurricanes were due to weather manipulation. After year after year of record-smashing heat, it’s never been more obvious that climate change is real and really bad. But perhaps that’s the problem. The philosopher Martha Nussbaum has argued that fear is a tremendously negative force that makes people abandon rationality and focus on their immediate welfare rather than the long-term good. And there is some evidence that environmental stresses make people behave irrationally. People tend to leap straight from “things are bad” to “we’re all doomed”. No, we aren’t doomed. But the longer it takes for reason to prevail, the worse the outcome will be. Maybe what we’re seeing is just a blip related to the pandemic fallout and Russia’s war on Ukraine − or maybe there’s something more worrying happening.

How to make data centers less thirsty

There’s a way to reduce both the climate and water harms of data centers: build them in places with lots of wind and solar energy.

Data centers are notoriously thirsty. Researchers at Lawrence Berkeley National Laboratory have found that, in 2023, the facilities consumed roughly 17 billion gallons of water for their operations in the U.S. alone. But that’s only a small part of the picture: A much, much larger share of data center water-intensity is indirect, a byproduct of the facilities’ enormous appetites for energy. That’s because most power plants themselves require huge amounts of water to operate. This off-site, indirect water consumption amounted to a whopping 211 billion gallons in the Berkeley lab’s 2023 tally — well over 10 times the direct on-site usage. As Silicon Valley continues to pour hundreds of billions of dollars into artificial intelligence and demand for data centers grows, these water needs are only going to grow in tandem.  However, new research from Cornell University shows that there’s a way to mitigate both the climate and water footprints of these facilities: build them in places with lots of wind and solar energy. “Location really matters,” said Fengqi You, an energy systems engineering professor at Cornell and co-author of the new study. Where companies choose to locate their data centers could alter their combined environmental footprints by a factor of up to 100. In the course of their operations, data centers use water as a coolant. Energy-hungry servers generate substantial heat, and water circulates through cooling systems to prevent the equipment from overheating and breaking down. But substantial amounts of water are also used indirectly through the generation of electricity to run the facilities. Thermoelectric power plants, regardless of whether they use coal, gas, or nuclear material, use that fuel to generate heat that converts water into steam, which is then used to spin a turbine and generate electricity. And since hydroelectric plants typically store large volumes of water in reservoirs behind dams, there is water loss there as well, as water continually evaporates from the surface of reservoirs. All told, water use during power generation can be responsible for more than 70 percent of a data center’s total water consumption, according to the new Cornell research. “That’s why the electricity power grid mix is very critical,” said You.  You and his co-authors examined the energy and water use of data centers across the country to project where future investments should be made to reduce environmental impacts. The study assumes that the data center boom, which is being fueled by staggering levels of investment in artificial intelligence, is unlikely to slow down anytime soon. Against that backdrop, the question the study then poses is: Where in the country is the most environmentally sustainable place to build a data center? The researchers considered both the direct and indirect uses of energy and water as a result of building a data center in a specific location. The most promising region they identified might turn heads: bone-dry West Texas. But because the region is sparsely populated, has groundwater that can be drawn on for use as a coolant, and produces ample wind energy, it scored highest on both energy and water stress metrics. In fact, the grid-related water footprint in West Texas is among the lowest in the country, thanks to the large amount of wind energy produced, according to the study. “From an energy and water efficiency perspective, the states that have enough dry renewables will be the best choice,” said You, adding that Montana, Nebraska, and South Dakota all appear to be prime locations for future AI servers, alongside the Lone Star State. Conversely, most parts of the Pacific Northwest didn’t score as well because of the region’s reliance on hydropower. Although the cost of electricity is low in the area, the associated loss of water through power generation means that building more data centers is likely to have a substantially larger water footprint than it would in other parts of the country. Another recent study from researchers at Purdue University came to a similar conclusion. They looked at the availability of water across the country and mapped out how that might change over time, particularly as climate change makes some regions hotter and drier. The researchers also examined the water impact of existing Google data centers and found that the majority were located in areas with low water stress. “Companies absolutely take the environment into consideration in their decisions — not just the economic factor,” said Yi Ding, one of the authors of the paper and an electrical and computer engineering professor at Purdue. “We infer that Google already somewhat considered water stress because they put most of the data centers in low-stress regions.” Texas already has more than 400 data centers located in the state, second only to Virginia. The state’s grid infrastructure, potential for renewables, and availability of cheap land has made it an attractive proposition for tech companies. But the other states identified by the Cornell study as having a small environmental footprint — Nebraska, South Dakota, and Montana — have just 70 or so data centers combined, out of more than at least 4,200 nationally. That’s because a number of other factors, such as the policy environment and infrastructure considerations, are deterring companies from building new facilities there. But if those states geared their policymaking toward attracting data centers, it could make a difference, You said. This story was originally published by Grist with the headline How to make data centers less thirsty on Nov 24, 2025.

Long-awaited environment laws might get Australia sued. Here’s why

Labor has pledged to pass long-awaited environment laws this week. But the current reforms leave Australia open to legal challenge.

Australia is rewriting its national environment laws, and Environment Minister Murray Watt has vowed the legislation will pass the parliament this week, despite not yet reaching agreement with either the Coalition or the Greens. But the current draft bill leaves the country exposed to significant legal, environmental and political risk. This is because the proposed changes to Australia’s environment legislation, the Environment Protection and Biodiversity Conservation (EPBC) Act, do not require the government to assess the climate impacts of new fossil-fuel projects. Minister Watt has already ruled out changing this. Yet international and domestic courts are increasingly clear: governments have a legal duty to consider the greenhouse gas emissions released by the projects they approve. Will the federal government create new laws that expose it to more domestic and international court action? Landmark legal advice In July 2025, the International Court of Justice (ICJ), the world’s highest court, delivered a landmark legal opinion. It found countries must act with “due diligence” to prevent significant harm to the climate system. This includes considering the climate harm caused by fossil-fuel production. They must also consider emissions released when fossil fuels are exported and combusted (known as downstream or Scope 3 emissions). While advisory opinions are not binding judgements, they clarify what obligations countries have under international law. For Australia, this means climate impacts are no longer optional considerations as a matter of international law. They are legally relevant factors that must be assessed before approving high-emitting projects. If Australia ignores its obligations, other nations may sue it in courts like the ICJ. The international law ruling may also be referenced by litigants in domestic disputes. The government’s law reform package is a set of seven bills totalling nearly 600 pages. Yet it contains no means of ensuring climate impacts are part of decision-making. The reforms require partial disclosure of emissions, but this information plays no role in approval decisions. And considering downstream emissions is not required at all, despite representing the majority of pollution from coal and gas projects. Domestic courts recognise climate link Australia’s own courts have already begun applying far stricter scrutiny to project approvals. In a court ruling in August, referred to as the Denman decision, the New South Wales Court of Appeal quashed a coal-mine expansion approval. A community environment group successfully argued the planning commission failed to consider the impact of all of the mine’s greenhouse gas emissions. This decision set a legal precedent. Next, mining giant Glencore’s application to extend its Ulan Coal Mine near Mudgee was declared invalid in mid November. A local environment group successfully argued the mine’s climate impacts had been insufficiently considered during assessment. The implications of these two decisions go far beyond New South Wales. The reasoning applies to how all Australian states and territories assess major fossil fuel projects. And they inform the federal govenrment’s legal obligations under Australia’s environment laws. Yet despite this, Minister Watt’s draft reforms do not clarify how climate impacts should be addressed under federal law. Safeguard mechanism won’t fill the gap Government ministers have argued climate impacts are better addressed under the so-called “safeguard mechanism”. This is a policy that requires large industrial polluters to reduce their greenhouse gas emissions each year. However, this is not an assessment or approval system. It applies only after a project begins operating and relies heavily on offsets of variable quality. It does not consider downstream emissions. Most importantly, it does not answer the core environmental law question. Namely, is this project compatible with Australia’s climate goals and international obligations? Australia out of step There is an emerging global legal consensus that climate impacts must be assessed as part of project-level approvals. Three decisions last year point to the change. The International Tribunal for the Law of the Sea ruled assessments of new projects must evaluate emissions affecting the marine environment. The European Court of Human Rights ruled assessments of new petroleum projects must quantify downstream emissions. And the UK Supreme Court held that downstream emissions must be included in environmental impact assessments. These decisions reinforce the principle that states must assess the full climate impact of projects before approving them – a point also reiterated by the ICJ. Failing to include these requirements in reformed environment laws could leave Australia exposed to domestic judicial review, High Court challenges and international claims relating to climate harm. Political contradictions Media reports indicate the Albanese government may negotiate with the Coalition to secure passage of environment law reforms. This comes as the Coalition has removed its commitment to net zero, while saying it would conditionally support new environment laws. This raises a contradiction. Policymakers and industry groups increasingly endorse “science-based” emissions targets while simultaneously supporting law reforms which would allow high-emitting projects to be approved without assessing their climate harm. This inconsistency boosts the risk of lawsuits and undermines international credibility, especially as Australia takes on the role of “President of the Negotiations” at next year’s COP31 summit. It also leaves key decisions to ministerial discretion. This means they are vulnerable to political, economic and lobbying pressures. A better path Reforming Australia’s environmental laws offers a rare chance to reflect scientific evidence and legal obligations. The law should be written to prevent harm, not to enable it. The law should be written to prevent harm, not to enable it. Jacqueline Peel receives funding from the Australian Research Council for her Kathleen Fitzpatrick Laureate Fellowship on Global Corporate Climate Accountability. Julia Dehm receives funding from the Australian Research Council for a Discovery Early Career Research Award and from the Victorian Legal Service Board + Commission grants program for a project on mainstreaming climate change in legal education.Nicole Rogers does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

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