You know, Herman, I was thinking about how we usually talk about things that are immediately flashy. Artificial intelligence, space travel, radical medical breakthroughs. But today, our housemate Daniel sent us a prompt that on the surface sounds like the kind of thing you would use to fall asleep. Corporate debt. Specifically, the mechanics of sustainability linked bonds and loans.
Herman Poppleberry at your service, and Corn, I have to disagree with you right out of the gate. I know corporate debt sounds like a sedative, but when you look at how the world actually moves, the bond market is the engine room. It is where the real power lies. If you want to change how a global corporation behaves, you do not talk to their marketing department. You talk to the people who manage their debt. And Daniel is hitting on a really profound tension here. How do you use the cold, hard logic of finance to actually fix the planet?
It is a great question. Daniel was asking about the alignment of incentives. Because, if you think about it, the traditional model of a sustainability linked bond, or an S L B, has this weird paradox. If the company hits its environmental goals, the interest rate they pay to investors often goes down. So, the investor actually makes less money if the company succeeds in being green. That seems like a total misalignment of interests, right? Why would an investor want to be paid less for a successful outcome?
Exactly. That is the fundamental riddle of the S L B market. We have seen this market grow from almost nothing in two thousand nineteen to a cumulative total of over six trillion dollars by early twenty twenty five. But that tension—the idea that an investor is essentially betting against a company's sustainability progress if they want a higher yield—that is what we need to deconstruct.
Well, before we get into the "why" of it all, let's make sure we are clear on the "what." For those who might be mixing this up with green bonds, because that is a common point of confusion, how are these different? Because green bonds have been around for a while, right?
Right. Think of it this way. A green bond is what we call a "use of proceeds" instrument. If a company issues a green bond, they are saying, "I am borrowing one hundred million dollars, and I promise to spend every cent of that money on building a wind farm or a solar array." The focus is on the project.
Okay, so it is like a restricted allowance. You can have the money, but only if you buy vegetables with it.
Exactly. But sustainability linked bonds, or S L Bs, and their cousins, sustainability linked loans, or S L Ls, are different. They are "behavior based." The company can spend the money on whatever they want—general corporate purposes, payroll, research and development. But, the interest rate on that debt is tied to whether the company hits specific performance targets, or K P Is. It is not about what you spend the money on; it is about who you are as a company and whether you are meeting your climate or social goals.
So, it is more like a fitness tracker for a corporation. "We will give you a better interest rate if you can prove your cholesterol dropped by ten percent by next year."
That is a perfect analogy. And that brings us back to Daniel's point. In a traditional S L B, there is often a "step down" mechanism. If the company hits its target, the interest rate drops by, say, twenty five basis points. If you are an investor, you are sitting there thinking, "Wait a minute. I want that extra zero point two five percent. If this company actually reduces its carbon emissions, I lose money."
It feels almost cynical. It is like the market is saying, "We will pay you a premium for failure." So, how do we solve that? How do we align these incentives so that the investor actually wants the company to succeed?
This is where we have to look at the broader picture of risk. Because investors are not just looking at the yield on a single bond in a vacuum. They are looking at the long term viability of the company they are lending to. If a company fails to hit its sustainability targets, that is often a signal that they are ill prepared for the future. They might face carbon taxes, regulatory fines, or their assets might become "stranded"—meaning they are no longer profitable because of environmental shifts.
So, you are saying the lower interest rate is basically a "de-risking" premium? If the company hits its goals, it is a safer company to lend to, and therefore it deserves a lower interest rate, just like a person with a higher credit score gets a better mortgage rate?
Precisely. From a sophisticated investor's perspective, a company that meets its transition targets is a more resilient company. They are less likely to default in ten years. So, while you might lose a few basis points of interest in the short term, you are protecting the principal of your investment in the long term. But, you are right to be skeptical. That "noble" explanation does not always satisfy the quarterly profit demands of a hedge fund manager.
Right, and that is why we are seeing some really interesting innovations in how these deals are structured to address Daniel's point about narrow interests versus global change. One of the biggest shifts I have noticed is the move toward "step up" only structures.
Oh, the step up is a huge part of the solution. Instead of the interest rate going down if you succeed, the interest rate stays the same if you succeed, but it goes up if you fail.
That feels much more like a penalty for bad behavior than a reward for good behavior. Does that actually fix the incentive problem for the investor?
It does, because it removes the "betting on failure" aspect. The investor is happy with the baseline rate. They are not hoping the company fails just to get a bonus. They are providing capital at a fair price, with a built in protection if the company becomes "riskier" by failing to meet its sustainability goals. It aligns the interests because both parties now want to avoid the penalty. The company wants to avoid paying more, and the investor wants a stable, non risky borrower.
But wait, if the investor gets more money when the company fails, aren't they still technically incentivized for the company to fail?
In a narrow, short term sense, yes. But again, that failure usually comes with a host of other problems for the company. If a massive utility company fails to transition to renewables and has to pay a step up on its bonds, its stock price might crater, or its overall credit rating might be downgraded. Most bondholders also hold the company's stock or other debt. They do not want the company to be in trouble. The step up is more about ensuring the investor is compensated for the increased risk of holding debt in a company that is lagging behind.
I see. It is about pricing the risk accurately. But let's talk about the "global change" part of Daniel's question. Because one of the biggest criticisms of this whole market is "greenwashing." If a company sets a really easy target—something they were going to do anyway—then the whole incentive structure is a sham. It is just a marketing exercise to get cheaper capital.
This is the "materiality" problem, and it is the biggest battleground in the debt markets right now. For an S L B to be legitimate, the targets, or K P Is, have to be "ambitious" and "material." If a massive oil company issues a bond where the target is "installing L E D lightbulbs in our corporate headquarters," everyone should laugh them out of the room. That is not material to their business model.
Right. It has to be something that actually hurts if they miss it, and something that actually matters for the planet. Like scope three emissions—the emissions from their entire supply chain and the customers using their products. That is the hard stuff.
And that is where we see the most tension. Companies are often terrified of tying their interest rates to scope three emissions because they cannot fully control them. It depends on their suppliers and their customers. But if they don't include scope three, are they really achieving "beneficial global change," or are they just tidying up their own backyard while the neighborhood burns?
It is a massive challenge. I remember reading about a recent deal—I think it was with a major consumer goods company—where they actually linked the bond's performance to the diversity of their management team as well as their carbon footprint. It shows how broad "sustainability" can be. But how do we ensure these targets are not just moving goalposts?
That is where third party verification comes in. We have seen the rise of organizations like the Science Based Targets initiative, or S B T i. They act as the referees. And just this past June of twenty twenty five, the International Capital Market Association, or I C M A, updated their K P I registry to include much more rigorous standards for things like biodiversity and the circular economy. They look at a company's plan and say, "Yes, this goal is actually aligned with the Paris Agreement and the goal of limiting global warming to one point five degrees." Without that independent stamp of approval, investors are becoming much more hesitant to buy these bonds.
So, the market is maturing. It is moving from "take our word for it" to "show us the data verified by an expert." But I want to go back to Daniel's point about the "narrow interests." Even with verification, is there a way to make the incentive even more direct? I have heard about some structures where the "penalty" or the "savings" do not even go to the investor or the company.
Yes! This is one of the most exciting developments. It is called the "charity toggle" or the "offset mechanism." In some sustainability linked loans, if the company misses its target, the extra interest they have to pay doesn't go to the bank. Instead, the company is required to donate that exact amount to a pre approved environmental or social charity.
Now, that is fascinating. It completely removes the bank's incentive to hope for failure. The bank doesn't profit from the company's climate struggle. The money goes toward fixing the very problem the company failed to address.
Exactly. It turns the penalty into a direct contribution to global change. It is a brilliant way to align the "spirit" of the deal with the mechanics. And on the flip side, some deals allow for the interest savings to be reinvested directly into the company's green projects. So, instead of the company just keeping the money as profit, they are contractually obligated to plow those savings back into their sustainability transition.
That feels like a much more holistic approach. It addresses the "narrow interest" problem by literally taking the money off the table for the lenders and forcing it into the "global change" bucket. But Herman, how widespread is this? Are we talking about a tiny fraction of the market, or is this becoming the standard?
It is still growing. The "charity toggle" is more common in private loans, where you have a closer relationship between a company and a small group of banks. In the public bond market, where you have thousands of different investors, it is harder to coordinate. Most bond investors still want the step up to come to them as compensation for risk. But the conversation is changing. Investors are starting to realize that if they want to meet their own climate targets—because many of these pension funds and insurance companies have promised their own stakeholders they will be net zero—they need the companies they invest in to succeed.
That is an important point. The investors themselves are under pressure. If I am a pension fund and I have promised my members that my portfolio will be carbon neutral by twenty fifty, I am not just looking for yield. I am looking for companies that will help me keep my promise. So, my "narrow interest" has actually expanded to include "global change."
That is the ultimate alignment of incentives. When the investor's own survival or reputation depends on the borrower's sustainability. We are seeing "portfolio decarbonization" become a massive driver. If a bank has a huge loan book filled with "brown" assets—dirty energy, inefficient buildings—their own cost of capital might go up because they are seen as a risky institution. So, the bank is highly motivated to help its clients turn "green" so the bank itself looks better to its own investors.
It is like a giant, interconnected web of accountability. But let's talk about the "sovereign" side of this, because this is something Daniel mentioned and it is really unique. We are starting to see entire countries issue sustainability linked bonds. Chile and Uruguay have been pioneers here.
The Uruguay deal is actually my favorite example of solving the incentive problem. Most S L Bs have a "step up"—you pay more if you fail. But Uruguay issued a bond with a "step down" AND a "step up." If they exceed their climate goals, their interest rate goes down. If they miss them, it goes up.
Okay, but how did they get investors to agree to the "step down"? Why would an investor want to receive less money from a country just because that country protected its forests?
Because Uruguay coupled it with incredible transparency and a very high target. The investors agreed because they saw it as a sign of a highly stable, forward thinking government. A country that is meeting its international climate obligations is a country that is likely to be economically stable and well governed. It reduces the "sovereign risk." And here is the kicker: the targets were tied to the Paris Agreement. In their latest twenty twenty five report, Uruguay showed they were making great progress on forest preservation, though they were still a few percentage points short on their emissions intensity goals. It is a live experiment in accountability.
It's the "macro" version of the de-risking argument. If the world avoids three degrees of warming, every investor wins. But I can see the critics now, Herman. They would say, "This is all just tinkering at the edges. A few basis points here or there isn't going to stop a company from drilling for oil if the oil price is one hundred dollars a barrel."
And the critics have a point. The financial incentive in an S L B is often quite small—maybe twenty five basis points, which is zero point two five percent. On a billion dollar bond, that is two point five million dollars a year. For a company with billions in revenue, that is a rounding error. It is not enough to change their entire business strategy on its own.
So, is it just theater? Or is there a deeper mechanism at work?
It is about the "signaling" and the "internal plumbing." When a company issues an S L B, they are not just signing a piece of paper. They are forcing their finance team to talk to their sustainability team. In many companies, those two departments never spoke to each other before. Now, the Chief Financial Officer is saying to the Head of Sustainability, "If you don't hit these targets, my debt becomes more expensive and I have to explain that to the board of directors."
Ah, so it is about internal accountability. It puts the sustainability targets right into the heart of the company's financial reporting. You can't just hide them in a glossy brochure anymore.
Exactly. It makes sustainability a "board level" issue. If a company has to pay a step up, it is a public admission of failure. We saw this with Enel, the Italian energy giant. They issued the very first S L B back in two thousand nineteen, but just a couple of years ago, they actually missed their energy intensity targets and had to pay that twenty five basis point step up on ten different bonds. That was a huge "red flag" to every other investor, every employee, and every customer. The reputational risk of missing an S L B target is often much, much larger than the actual financial penalty. It's the "shame factor."
I love that. The "shame factor" as a financial instrument. It sounds very human, actually. We often think of markets as these cold, robotic things, but they are really just collections of people. And people don't like to be publicly called out for failing to do what they said they would do.
Exactly. And we are seeing this evolve even further. Some companies are now linking their executive compensation directly to the same K P Is that are in their sustainability linked bonds. Now, you have a direct line from "global change" to "the C E O's bank account." That is the ultimate incentive alignment. If the company hits its carbon targets, the interest rate on the debt goes down, and the C E O gets their bonus. If they miss, the debt gets expensive and the C E O loses money.
That is a powerful combination. It takes it from a corporate commitment to a personal one. But let's look at the other side of the coin. What happens if the targets are too hard? We have seen some pushback lately, haven't we? Some companies are worried that they will be punished for things outside their control, like a global energy crisis or a war.
This is a real tension. If the targets are too easy, it is greenwashing. If they are too hard, companies won't issue the bonds. We saw a bit of a slowdown in the S L B market in twenty twenty five because of this. New European labeling rules from E S M A made the standards much higher, and some companies got cold feet. But I actually think that is a good thing. It is a sign of a maturing market. We are moving past the "hype" phase and into the "show me the results" phase. In fact, for twenty twenty six, we expect S L B issuance to stay a bit subdued as the market digests these new, tougher rules.
It is like any new technology or financial product. You have that initial burst of enthusiasm, then a period of disillusionment where everyone realizes it is harder than it looks, and then, hopefully, you settle into a productive, stable reality.
Right. And the "productive reality" we are moving toward involves much more standardized K P Is. Instead of every company making up its own targets, we are seeing industry standards emerge. If you are a cement company, there are three or four specific metrics that everyone agrees are the most important. That makes it easier for investors to compare different companies and decide who is actually doing the work.
So, for someone like Daniel, who is looking for evidence that these things can actually drive change, where should he be looking? Is there a "smoking gun" example of an S L B actually changing a company's behavior?
It is hard to find a single "smoking gun" because behavior change is gradual. But look at Enel again. Despite that recent step up penalty, they have used S L Bs to help increase their renewable capacity to over seventy percent. The bond provided the "financial rails" for the strategy they wanted to pursue. It locked them in.
It is about "commitment devices." Like when you sign up for a marathon and tell all your friends. You were already thinking about running, but now that you have paid the entry fee and everyone is watching, you are much more likely to actually do the training.
That is exactly it. S L Bs are a "public commitment device" for the corporate world. And for the investors, they are a way to put their money where their mouth is. If an investor says they care about E S G—Environmental, Social, and Governance—but they only buy traditional bonds, they aren't really using their leverage. Buying an S L B is a way for an investor to say, "I am willing to accept a slightly different risk profile to support your transition, but I am going to hold you accountable for it."
I think we should talk about the "social" side of this, too. Because it is not just about carbon. We are seeing "sustainability linked" mean things like gender pay gap reduction, worker safety, and access to medicine in developing countries.
That is a great point. Some of the most interesting deals are coming out of the pharmaceutical industry. There was a bond issued by a major pharma company that tied its interest rate to how many people in low income countries received their vaccines. That is a direct link between corporate debt and global health outcomes.
That feels much more tangible to most people than "carbon intensity per million dollars of revenue." It's about lives saved. But the same incentive problems apply, right? Does the investor want fewer people to get vaccines so they get more interest?
In that case, the "shame factor" would be nuclear. Can you imagine a hedge fund manager going on television and saying, "I'm really glad those children in that developing nation didn't get their shots because my yield went up by ten basis points"? They would be a pariah. The market knows this. These bonds are designed to be "win win" or "lose lose." There is no "win" in being the beneficiary of a social or environmental failure in the twenty first century.
It is a shift in the "social license to operate." It used to be that a company's only job was to make money for its shareholders. Now, there is an understanding that if you destroy the environment or exploit your workers, you will eventually lose your ability to make money because the world will turn against you. The debt market is just starting to price that reality into the contracts.
And that is the most honest way to look at it. It is not about "altruism." It is about "enlightened self interest." If the world burns, the bond market burns with it. So, aligning these incentives is not just a nice thing to do; it is a survival strategy for the financial system.
I think that is a really important takeaway. It is not that finance has suddenly found a conscience. It is that the risks have become so large that they can no longer be ignored.
Exactly. And for our listeners who are thinking about their own investments or their own companies, the lesson here is that transparency and materiality are everything. If you are looking at a "green" investment, don't just look at the label. Look at the K P Is. Are they hard? Are they verified? Is there a real penalty for failure?
It's about being a critical consumer of financial products. Just like you read the ingredients on a food label, you have to read the "ingredients" of a sustainability linked bond.
And we are seeing more tools to help people do that. There are now "second party opinions" from firms that specialize in evaluating these bonds. They provide a report that says, "We have looked at this deal, and we think the targets are ambitious," or "We think this is a bit of a stretch." As a regular listener of My Weird Prompts, you might not be buying billion dollar corporate bonds, but your pension fund or your insurance company almost certainly is. You have a right to ask them how they are evaluating these things.
That is a great practical takeaway. Ask the people who manage your money how they are ensuring that their "sustainable" investments are actually driving change, rather than just collecting a "green" label.
And look for those innovative structures we talked about. Look for the "charity toggles." Look for the "step up" structures that price risk accurately. Look for the companies that are linking this all the way down to executive pay. Those are the signs of a company—and an investor—that is actually serious.
You know, Herman, I started this episode thinking corporate debt was boring, but you have convinced me. It is like this secret lever that can move the entire world. It's just hidden behind a lot of jargon and spreadsheets.
That is the goal of the show, Corn! To peel back the jargon and see the mechanics underneath. And Daniel's prompt was a perfect example of how a technical question can lead to a really deep discussion about how we want our society to function.
It really does come down to that. How do we want to value success? Is it just the bottom line, or is it the bottom line plus the health of the planet and the fairness of our society? The debt market is trying to figure out how to do both at the same time.
It is a work in progress, but it is a vital one. We are essentially rewriting the rules of capitalism in real time, one bond contract at a time.
Well, on that note, I think we have given Daniel and our listeners a lot to chew on. Before we wrap up, I just want to say, if you are enjoying these deep dives into the weird and wonderful ways our world is changing, we would really appreciate it if you could leave us a review on Spotify or wherever you get your podcasts. It genuinely helps other people find the show and keeps us going.
It really does. We love seeing the community grow. And remember, you can find all our past episodes—we are up to five hundred and three now—at myweirdprompts.com. There is a contact form there if you want to send us a prompt like Daniel did, or you can just browse the archive.
We have covered everything from the ethics of A I to the history of urban planning, so if you liked this one, there is plenty more to explore.
And a big thanks to Daniel for sending this one in. It was a great excuse for me to nerd out on basis points and sovereign risk.
You didn't need much of an excuse, Herman.
Guilty as charged.
Thanks for listening to My Weird Prompts. We will be back next time with another exploration of the prompts that make our world a little bit weirder and a lot more interesting.
Until next time, keep asking the hard questions.
See you then.