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A conversation with the author of The Cactus Hunters: Desire and Extinction in the Illicit Succulent Trade
It was questionable if we needed a second season of Tiger King — or, let’s be honest, a first season. Regardless, if Netflix ever decides it’s interested in a story that features surprisingly charming criminals, IWT violations, and yes, even possibly murder (but without the tabloid tone and mullets), producers might look in the future to Jared D. Margulies’ delightful debut, The Cactus Hunters: Desire and Extinction in the Illicit Succulent Trade.
Wait, illicit succulent trade? you might be wondering. Oh yes.
From the cliffs of California and the deserts of Brazil to the markets of Seoul and the private greenhouses of Czechia, Margulies follows the extraction and relocation of plants so rare that they might only exist in one valley or mountainside in the world. Weaving in ample philosophy and research about what drives these sorts of obsessions — as well as his personal reflections as he, in turn, is captivated by the lovable, spiky plants — The Cactus Hunters is just the right balance of edgy and academic.
Last week, I caught up with Margulies about the process of researching the book, being mistaken for an undercover cop by his subjects, and the lie that is “the green thumb,” among other topics. Our conversation has been edited and condensed for clarity.
You open The Cactus Hunters with a story about how you were going to study the illegal trade of tiger bones when you came across a story about saguaro cactus rustling that piqued your interest and sent you on this journey. What most stands out to you as the differences between the illegal trade of animals and animal products and the world of illegal cactus trading?
To clarify, I never actually got around to studying the illegal trade in tiger bones. I had encountered it a little bit in my past research on human-wildlife conflicts.
But there are a lot of important differences: One of the things that made the illegal plant trade so interesting to study, compared to illegal trade in animals, is that it receives a lot less attention, so there was just a lot more to learn that people hadn’t already researched. But also, the way that this material and these plants can move around the world — there are so many more options available because of the nature of plants. So if what you’re after is the genetics of the plant, to be able to grow them somewhere else in the world, there’s not just the one plant but there’s the cacti propagate, for instance. Pups. Their seeds. You can make cuttings of plants. None of these things are really available to people interested in illegal trade and animals. That affects supply chains and how these things can move around the world.
Also, because of the lack of attention to illegal plant trade compared to animal trade, the subject is a lot less criminalized. I would argue that my access to informants and research participants was a lot better because it did happen that, every now and then, people thought I was a cop. Or maybe, like, an undercover detective. But usually within pretty short order, they realized that wasn’t the case and I was generally interested in trying to understand their perspectives. I think that it would be a lot harder to develop trust within certain trades that are a lot more heavily criminalized.
Over the course of the book, you encounter the Indiana Jones of plants and the Robin Hood of cacti, among others. Can you talk a little about why these enthusiasts, who clearly care deeply about conservation, sometimes break the law by smuggling seeds or entire cacti out of the places where they naturally grow?
One of the fascinating things that really gripped me was this seeming contradiction, where you have people who are made out as conservation villains by certain actors seeing themselves as unsung conservation heroes. The reason for that is, for a lot of these collectors, they saw their community as really passionate people who wanted to get access to the plants that become objects of their desires. By and large, the people who want these plants aren’t trying to do harm to the species in the world, and they care a lot about them. But they also recognize that in their desire is something fairly insatiable and that people are going to go to lengths to get the plant that they have to go to.
For a lot of these collectors, they might see engaging in a kind of illegal activity as still a socially acceptable behavior, if it meant it got material out into the world in a way that people might want it. And the goal there, the long-term goal, is to try to reduce demand on wild harvesting of plants and wild populations. If you get a little bit of material out into the communities that delight in these plants, then you can start grafting them, propagating them, growing them from seed, and, in theory, get that material out into the world.
I wanted to take that perspective seriously. It’s a hard thing to study empirically and so it was important for me to try to be open to a really diverse set of opinions about the right way to do conservation.
You leave most of the sources in the book, including those working within the law, anonymous. Why did you make that decision?
The really short answer is, I was part of a larger research project called BIOSEC, which was run by Professor Rosaleen Duffy at the University of Sheffield in the Department of Politics and International Relations, and we were using a fairly symmetrical ethics approval process, or what in the U.S. we would call an institutional review board approval. Because a number of us were studying illicit economies, in order to ensure research-subject protection and anonymity and security, we were required to make all of our sources anonymous.
But this caused some issues because, on the one hand, it meant that everyone in the book is anonymous, even if they’re people who are law enforcement officials or botanists who would have probably really enjoyed having their names in the book. I regret that.
Most interesting, though, were the number of collectors who were mad at me because they’re also anonymous. One of the reasons for that was they saw anonymity as being suggestive of wrongdoing and for a lot of these people, they don’t feel like what they’re doing is wrong, necessarily, even if it’s against the law. They wanted their story told. I think one of the reasons I had good access to the kinds of interlocutors I had was because they felt like I was providing a space for them to get their version of the story out into the world.
You were asked to be an expert witness in a case against a South Korean smuggler who took thousands of plants from the California coast. How do you navigate moments like this, when your position as an illicit trade researcher is perhaps in tension with your own ethical code?
This was a really difficult decision for me, and I write about this. I went back and forth about whether or not to serve as an expert witness, which in this case just required writing a statement. I never had to go to court or, you know, be on a witness stand — thank goodness. But I go back and forth about if I would do it again.
I think that in the end, I chose to do it because I realized that my testimony would only serve to probably reduce the sentence that this person was facing. And I don’t say that because I think that what they were doing was okay. It was really bad and really harmful to this species of plant. I just don’t think that criminalization and incarceration actually do rehabilitative work or serve much function. It costs us a lot of money as taxpayers and causes harm.
It was complicated; I guess that’s how I would leave it. I debated whether or not to include [the story] in the book but I felt like, in the end, it would be wrong not to include it. I think that if people eventually found out I had served in that capacity, they might felt like I was trying to not disclose something. But yeah, I have some ambiguous feelings about it. In the end, what I was asked to actually do was very limited: I was just asked to put a value on these plants. But as I wrote in my letter to the judge, that value in monetary terms is such an arbitrary thing. The price of those plants has declined precipitously since I wrote that, and it had already gone down a lot since the person who sold them stole them. How interesting, though, that the court of law — at least in the United States — in order to assess the damage done to the state, it had to be valued in monetary terms.
I really liked the inclusion of the story. It’s interesting for a researcher of illicit and illegal trade to all of a sudden be dragged into the concrete legal system, and have it, you know, ask something of you.
Sometimes academics are hard on ourselves in that we think we put in all this work and do all this writing and no one actually reads it. And that’s not true. People do read your work when you publish it and you should think about who those people might be. They might be district attorneys for the state of California. People will use your work, and you should think from the outset about what the social implications of that might be. It was a big lesson for me.
At the end of the book, you write that your experiences in the cactus and succulent community have left you with hope that meaningful change is possible “not through the repressions of desire but through its celebration.” After spending so much time among people that some might call poachers, what makes you optimistic?
We have so many examples from other illicit economies where prohibition doesn’t work. I am concerned by a tendency to move in that direction. Given that we’re talking about plants — you know, as far as we know, this conversation could be different in 50 years — but we’re not having to really think about the welfare issues of, say, illegal trade in animals. There are pragmatic solutions to these problems. This material could get out into the world so that people who want these plants can get it in a way that doesn’t harm wild-growing species.
There’s still a ways to go in working through regulatory conventions to support those efforts. And importantly, in doing so, supporting the people who should have the most support, which I would argue are the communities in places in the world that have lived with these plants the longest.
I see hopeful promise in this, and I saw a whole lot of love. I really did. I saw a lot of love between people and plants, and what that can do for people in moving into developing more careful relations with plants and other species. I don’t have a large collection of cacti and succulents, but I do have some, and I have like a cactus right now that’s in flower. Do you want to see it?
Yes!
This is where I think it’s fun, to think about what plants can teach us—
Oh, it’s gorgeous!
This is a Mammillaria laui. Named for Alfred Lau, who I write about in one of the chapters of the book — a German who lived in Mexico, who has a lot of different species named after him. This is Mammillaria laui, subspecies subducta. It’s got this gorgeous crown of pink flowers.
I love having these plants. Specifically, I’ve started a small collection of plants that are associated with particular people that I wrote about, or that I thought about. Bringing some of that social history to our plants, I think, is a really nice thing that people can do. Learn about where our plants come from and the histories of how they got to where we are.
That’s kind of what set me off on this whole journey, anyway. I think there’s a lot of opportunity for thinking thoughtfully about the place of these plants in the world and how they travel and maybe, hopefully, that can help move us towards a more ethical kind of relation.
Are you worried now that once you collect all of the plants that are connected to your book, you’ll throw your whole collection out?
I don’t think I have a strong collector tendency, per se. I have been accused of being a low-key hoarder before. I’m excited to think about how I’m going to slowly develop a collection over time. Yeah, but your reference — the worst thing that can happen to a collector is completing a collection. Freud wrote about this in the context of completing his collection of statues and dying days later. This one collector who I went to see, I thought I was going to see a giant greenhouse of cacti, but I found a bunch of Mexican chili plants. Because he’d just tossed [the cacti collection] off, he was done with it. I don’t see myself going down that road but one never knows.
For someone reading this interview who might be interested in collecting, where would you say to start?
We need to get over this idea that cacti and succulent plants are great house plants because they don’t require any care. It’s not true. Everyone I know who’s had a succulent has killed it very quickly.
I killed mine.
Yeah, if you just throw a succulent on, like, a north-facing windowsill, it’s not going to do well, especially if you ignore it.
Also, get over the idea that there are natural people in the world with a green thumb — I think that is also nonsense. We just need to spend time learning about what these plants need. One of the ways you can do that is by paying attention to them.
In terms of obtaining material — you know, so much plant material can also just be found for free, gifted from friends or colleagues or the community. A lot of collector clubs, like, say, the Cactus and Succulent Society of America here in the U.S., I believe may even send you free seeds of cacti, and stuff like that.
The thing that I want to start doing is trying to grow cacti from seed. They’re slow-growing plants but I think it’d be really fun to actually watch that process unfold. And it’s quite easy to obtain seeds for a lot of these plants. Just, you know, be careful where you’re buying stuff from. Reputable nurseries are a good source. But be wary of buying from unknown people on the internet. That might be where people start to get into trouble.
Is there anything I haven’t asked you about that you’d like to let me know about your book or your experience writing it before I let you go?
I’m not too prescriptive at the end of the book about what I think the answer is. Some people may find that frustrating, like, “Oh, but you didn’t tell us like what should we do” or “What’s the right response?” One of the reasons for that was I just wanted to let people develop some of their own thoughts about this. But also it’s because the work isn’t done.
I’m developing some work right now dealing with illegal succulent trade in South Africa with some colleagues, both in South Korea but also in South Africa. I’m doing a new project on illicit Venus flytrap harvesting and the carnivorous plant trade. I’m trying to continue the process of thinking and learning with plants. But the work continues.
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A little-noticed provision would make the payment option used by tax-exempt groups all but impossible to claim.
A little-noticed provision in the Senate tax bill will sabotage the efforts of tribes, rural electric cooperatives, and public power authorities to develop local affordable energy projects by striking a section of the Inflation Reduction Act that enabled tax-exempt groups to claim the clean energy tax credits as direct cash payments from the Treasury.
The IRA included strict domestic sourcing requirements beginning in 2026 for groups utilizing this “direct pay” option. But the law also created exceptions for cases where domestic components were not available in sufficient quantity or quality, or would increase costs by more than 25%. The Senate bill would get rid of these exceptions.
“It just makes it unlikely for those projects to go forward — or more likely for those projects to go forward with a private developer, instead of with a public utility or a tribe or a rural co-op,” Grace Henley, a tax attorney with the Natural Resources Defense Council, told me. “And so they don’t really do anything to increase the amount of domestic material that would be used, they just hurt the projects that are seeking to invest in clean energy infrastructure for these communities to lower costs.”
Public power and tribal energy advocates warn that without the exceptions, energy development will become impossible for their constituents.
Wind and solar projects being developed by these groups are already threatened by the bill’s rapid phase-out of wind and solar tax credits and its complex rules related to using materials from China. Chèri Smith, the executive director of the Alliance for Tribal Energy, told me that Tribes face longer development timelines than the average private developer. “We have multiple stages of approval that are unique to tribal energy development,” she told me, including lengthy internal consultation processes. The changes to direct pay will put these projects further out of reach, she said.
The Alliance provides free energy development consulting services to more than 100 Tribes. Smith sent me a list of projects in Alaska Native villages, Arizona, California, and Oregon that could be killed by the tax credit changes. “Alaska Native villages face some of the highest energy costs in the country,” she said, largely due to their reliance on diesel generators. Just over a third of the Hopi Tribe in Arizona lacks access to electricity, but now multiple microgrid projects meant to close the gap are at risk. Many of the projects on the list are also doubly threatened by grant cancellations and the repeal of the Tribal Energy Loan Guarantee Program.
“The bill is particularly harmful to Tribal Nations, pulling the rug out from under projects that would strengthen their energy sovereignty and power local communities,” Democratic Senators Martin Heinrich, Ron Wyden, and Brian Schatz wrote in a joint statement on Thursday. “Together, the Tribal Energy Loan Guarantee Program and our Inflation Reduction Act’s clean energy tax credits have cleared pathways and removed significant barriers for Tribes to finance and build their own resilient energy infrastructure.”
The American Public Power Association is also sounding the alarm. John Godfrey, the group’s senior government relations director, told me that in addition to wind and solar, municipal utilities and rural electric co-ops are also considering nuclear and hydropower projects. For example, Energy Northwest, a consortium of 29 public utilities in Washington State, has plans to retrofit the Columbia Generating Station nuclear plant to increase its power output. It’s also in early stages to deploy four small, modular nuclear reactors. As my colleague Matthew Zeitlin wrote a few days ago, the governor of New York has also tasked the New York Power Authority with developing a new nuclear plant in the state.
Nuclear and hydropower “are technologies where often there is not a U.S. source, but there is a good trading partner source — Canada, Germany, Japan,” Godfrey said. By tightening the domestic sourcing requirements for direct pay, the bill would “hinder the very technologies that there’s generally a bipartisan consensus we need to be developing.”
Public utilities and electric co-ops, which serve close to 30% of electric customers in the U.S., are also unfairly singled out by the provision, he said. “If my public power utility wants to develop a project and they need a Canadian turbine, they can’t get any credit. But if a taxable corporation down the street develops exactly the same project, they can.”
“If the purpose is to encourage hydropower, that’s not a good use of resources,” he said.
Senate Republicans tucked a carveout into their reconciliation bill that would allow at least one lucky renewable energy project to qualify for a major Inflation Reduction Act tax credit even after the law is all but repealed.
The only problem is, it’s near impossible to be sure right now who may actually benefit from this giveaway — and the mystery is driving me up the wall. I feel like Charlie Day in that episode of It’s Always Sunny in Philadelphia, stringing documents together and ranting like a lunatic.
The Senate bill would phase out the tech-neutral production tax credit starting next year and completely eliminate it by the start of 2028. For the past week and a half, I have been trying to solve the riddle of an exemption tucked into the language that would allow a wind or solar facility that is “part of a single project” to continue to take advantage of the tech-neutral production tax credit as it exists today, which means it would not begin to phase out until 2034.
To qualify for the exemption a project must, according to the Senate text, meet two conditions: It must produce more than 1 gigawatt of electricity, and be sited on federal lands where a “right-of-way grant or lease” had been given by the Bureau of Land Managementbefore June 16, which is the date the text was released.
Only a handful of projects in the U.S. could possibly fit that criteria. But every time I think I’ve identified one that will actually qualify, I learn a new fact that, to me, takes it out of the running.
Here’s why my head hurts so much: A renewables facility that would benefit from this language needs to be sited at least partially on federal lands. But because Trump isn’t issuing new right-of-way approvals or leases to most renewables projects right now, it likely had to get its right-of-way or its lease before he entered office. (The June 16 language feels like a bit of a red herring. Nothing that fits the other definitions has received these documents since the start of Trump 2.0.)
Then there’s another factor: The only projects that would benefit from this language are ones that haven't started construction yet. Even if a project doesn’t have all of its permits for federal land use, its developer can build stuff like roads on any connected private lands and technically meet the deadline to start construction laid out in the new legislation. The construction start date is what counts — it doesn’t matter whether a project is placed in service and provides power to the grid years later, as long as it began construction before that deadline.
Taken together, all this means that a project that would benefit from this language probably has to be sited on federal lands and hold permits already … but for some reason can’t start construction to qualify for the program.
When I first started hunting for an answer, many people — including renewables advocates, anti-wind activists, and even some Senate staff in conversations with me — speculated that the language was a giveaway to two wind projects under construction in Wyoming, Chokecherry and Sierra Madre, which together make up what would likely be the largest wind farm in the U.S. if completed. These two projects are largely sited on federal lands and received all their approvals before Trump entered office.
I understand why people are pointing at Chokecherry and Sierra Madre. They are not expected to be online before 2029, and the House version of the bill would have locked them out of the production tax credit because it added a requirement that projects be “placed in service” — i.e. actively providing power to the grid — by around that same period. Any slippage in construction might have really hurt their finances. They’re also backed by a powerful billionaire, GOP donor and live entertainment power-broker Phil Anschutz, a man who made his initial fortune partially from fossil fuels.
Except … my colleagues and I are still not convinced. That’s because it is not clear that these two projects are at any actual risk of losing the production tax credit. They have been actively under construction for a long time, and the Senate bill killed the House’s “placed in service” requirement.
Another project floated is the Lava Ridge wind farm in Idaho, which was fully permitted under Biden, is largely sited on federal lands, and would produce more power than necessary to qualify for the exception. Hypothetically, this project would be a great candidate for being a beneficiary of the bill because Trump banned work on the project via executive order amid opposition from Idaho politicians, making a carveout to get more time a worthwhile endeavor.
Except … Senate Finance Chair Mike Crapo, the lead author of the pertinent section of the Senate reconciliation bill, was one of those Idaho politicians who pushed Trump to kill Lava Ridge. Why would he give a tax break to a project he wanted dead?
Then there was my personal best guess for the beneficiary: Esmeralda 7, an expansive set of proposed solar farms in the Nevada desert that, as proposed, would produce more than 5 gigawatts of power and is largely sited on federal land. Construction can’t begin until Esmeralda 7 gets its federal approvals, and the Trump administration was expected to complete that work by mid-summer.
Except … I reported last week that the permitting process for Esmeralda 7 is now indefinitely stalled. The project is at best still months away from getting its right-of-way approvals from the Trump administration, which recently pushed back timelines for finishing reviews of other large Nevada solar projects, too.
Ultimately, it will be difficult to glean who the lobbyist giveaway here is for unless the legislators who wrote it disclose their intentions. I reached out to the communications director for Republicans on the Senate Finance Committee to try and find out, but so far I’ve gotten crickets.
It may be that this language is revised and that future changes lay out the true beneficiary. Sometimes lawmakers will put the wrong date or word into a bill and they’ll edit it on the floor before a vote, chalking it up to a drafting error.
If senators decide to add back the “placed in service” requirement to capitulate to the House, this would easily be the Chokecherry-Sierra Madre giveaway. If Republicans were to shift forward the deadline for getting a right-of-way, Esmeralda 7 would qualify. Or maybe they could change some secret third thing and a different project I hadn’t considered will be revealed as the mastermind in the shadows.
Until then, I’ll be in my basement poring over more maps and going slowly insane.
Additional reporting was provided by Emily Pontecorvo.
On resuming rare earth shipments, hurricane tracking, and EV tax credits
Current conditions: The Ohio Valley is still sweltering through the last remnants of this week’s brutal heat wave • The death toll from recent floods in South Africa has risen to 101 • It’s 90 degrees in Venice, Italy, where the world’s rich and famous are gathering for the wedding of Jeff Bezos and Lauren Sanchez.
The U.S. and China have hammered out the details of a trade deal, including an agreement that China will resume rare earth shipments to the U.S. Rare earth materials are essential for everything from planes to EVs to wind turbines. China controls most of the world’s rare earth production and halted exports in April in response to President Trump’s tariff hike, and China’s chokehold on rare earths threatened to derail trade talks between the two countries altogether. Commerce Secretary Howard Lutnick said a deal has now been “signed and sealed.” “They’re going to deliver rare earths to us,” Lutnick said, adding that the U.S. will then “take down our countermeasures.” Lutnick also indicated that Trump plans to announce further trade deals with other nations in the coming two weeks.
As climate talks in Bonn, Germany, wind down, negotiators there have agreed to increase the budget for the United Nations Framework Convention on Climate Change by 10% over the next two years to 81.5 million euros ($95.4 million). The UNFCCC runs some of the world’s largest climate negotiations and tries to ensure countries follow through on their climate commitments. Its budget is funded by government contributions. China will account for 20% of the new budget, Reuters reported. The U.S. is supposed to cover 22%, but President Trump has pulled international climate funding. Former New York Mayor Michael Bloomberg’s philanthropic arm has stepped in to cover the missing U.S. contributions. UN climate chief Simon Stiell said the budget increase was “a clear signal that governments continue to see UN-convened climate cooperation as essential, even in difficult times.”
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Hurricane forecasting is about to get a little bit more difficult. At the end of June, the federal government is going to stop distributing readings from the Defense Meteorological Satellite Program, a tool forecasters all over the world have been using to track and predict hurricane development. As retired federal meteorologist Alan Gerard told Bloomberg, this particular satellite program is unique because it lets forecasters peer inside storms and monitor for rapid intensification. As the planet warms, hurricanes are strengthening much faster than they did in recent decades. Hurricane expert Michael Lowry says the Department of Defense seems to be concerned that the satellite data poses a security concern. Its termination “will severely impede and degrade hurricane forecasts for this season and beyond, affecting tens of millions of Americans who live along its hurricane-prone shorelines,” Lowry wrote.
A group of U.S. car dealers penned a letter urging senators to “reject provisions in the budget reconciliation process that would abruptly eliminate EV-related tax credits from the Inflation Reduction Act,” warning that sudden changes would bring about market uncertainty, damage businesses, and hurt Americans. The signatories – including EV Auto, Carmax, and Caravan – instead call for a “gradual sunset” of the EV tax credits to avoid disruption to the used car market. “A multi-year transitional period would also provide the opportunity for Americans to continue adopting cleaner vehicles more affordably,” they add. The tax and budget bill put forward by Senate Republicans would end the $7,500 EV tax credit within 180 days after the law’s passage.
A report out today from the International Council on Clean Transportation estimates that the world’s private jets produced more greenhouse gas emissions in 2023 than all the flights that took off from Heathrow Airport — the world’s fourth busiest airport — that same year. Emissions from private jets increased 25% over the past decade. A few more interesting (though perhaps not surprising) tidbits from the report:
International Council on Clean Transportation
Solar power accounted for more than 10% of U.S. electrical output in April, while wind provided about 14%. As Michelle Lewis at Electreknotes, “solar is now producing more electricity than hydropower, biomass, and geothermal combined.”