"Carbon-neutral" sounds like the destination. You add up what you emit, you subtract what you offset, you arrive at zero, you pour yourself a drink. It's a tidy bit of accounting — and it's also the climate equivalent of paying off your credit card balance every month and calling yourself rich. The atmosphere doesn't care about your monthly statement. It cares about the running total. Carbon-positive economics starts from that uncomfortable observation and asks a different question: what would it look like if every transaction left the ledger a little better than it found it?
The accounting trick at the heart of "neutral"
Carbon-neutral, in its most common form, is a subtraction problem. A company measures its emissions across some defined scope, buys offsets equal to that number, and declares the books balanced. The maths works. The atmosphere, however, is not a balance sheet — it's a stock. Every tonne of CO₂ we've ever emitted is still up there doing its job, and "neutral" only promises to stop adding to the pile. It does nothing about the pile itself.
There's a second issue, which is that the subtraction often isn't as clean as it looks. Offsets vary wildly in quality. Some pay for emissions reductions that would have happened anyway. Some count carbon stored in a forest that later burns. Some are double-counted across registries. The honest version of carbon-neutral requires not just buying offsets but buying good ones, retiring them transparently, and being honest about the gap between intention and impact.
None of this makes neutrality bad. It's a meaningful step compared with doing nothing. But it's a floor, not a ceiling, and treating it as the destination is what gets us into trouble.
What "positive" actually means
Carbon-positive flips the equation. Instead of matching emissions one-for-one, the goal is to remove or avoid more than you produce. The output of the activity is, on net, a reduction in atmospheric carbon — not a hold.
You'll sometimes see the term "climate-positive" used interchangeably, and a few companies use "carbon-negative" to mean the same thing (the language is genuinely confused — "negative" sounds bad, but here it's good, because we're talking about the sign of net emissions). Whatever you call it, the structural shift is the same: the activity is doing repair work on the atmosphere rather than just refusing to make things worse.
Why does this matter beyond semantics? Because the IPCC's modelled pathways to keeping warming within reach of 1.5°C don't end at neutral. They require neutral by mid-century and then go negative, pulling carbon down for decades after. If "neutral" is the world's collective endpoint, we miss the target. Someone, somewhere, has to be doing more than their share. Carbon-positive economics is the framework for who and how.
The shift in incentives
The interesting part isn't the chemistry — it's what happens to the economics underneath.
Under a neutral framework, climate spend is a cost centre. You measure your footprint, you write a cheque to cover it, the line item shows up in your sustainability report, and the size of the cheque scales directly with how much harm you're doing. The bigger the polluter, the bigger the offset bill. Mitigation looks like a tax on operations.
Under a positive framework, the relationship inverts. The unit of value isn't "harm cancelled" but "harm reversed plus a bit more." That bit more has to come from somewhere — usually from the margin of the underlying business. So the climate work becomes embedded in the product itself, not bolted on at the end of the quarter. You can't be carbon-positive by accident, and you can't do it as an afterthought; it has to be designed into how the thing makes money in the first place.
This is the part that quietly rearranges everything. It means a carbon-positive business has to be efficient enough at its core operation that there's a real surplus to spend on removal — and it means climate impact stops being a defensive line item and starts being part of the value proposition customers can actually see.
Where the money goes
Climate finance flowing into the neutral model tends to gravitate toward whatever is cheapest per tonne. That's rational — you're trying to minimise the cost of cancelling a fixed quantity of harm — but it concentrates demand at the low-quality end of the offset market. Avoidance credits, particularly forestry-based ones with shaky permanence, dominate because they're inexpensive.
A positive framework changes the buying behaviour. If you've committed to net removal, you can't lean entirely on "we paid someone not to cut down a tree they probably weren't going to cut down anyway." You need credits that are doing genuine, measurable, durable work — and you typically need a mix of nature-based and engineered solutions, because each has different time horizons and different risks.
That demand signal matters. Climate finance is a market like any other: what gets bought is what gets built. Money chasing high-integrity removal credits is what funds the next generation of monitoring, biochar, mineralisation, enhanced weathering, and direct-air-capture projects. Money chasing the cheapest possible avoidance credits funds spreadsheets.
The transparency problem (and why ledgers help)
Both neutral and positive claims live or die on whether anyone can verify them. The voluntary carbon market has had a credibility crisis for years — credits sold twice, projects that overstated their impact, registries that didn't talk to each other, and the recurring discovery that a "tonne" on paper wasn't always a tonne in the air.
The technical fix isn't glamorous, but it's straightforward: every credit needs to be uniquely identified, traceable to a specific project, and permanently retired when it's used so it can't be sold again. On-chain registries do this well not because the technology is magical but because the ledger is public and the retirement is final. You can argue with the quality of a project. You can't argue with whether the credit has been used.
Carbon-positive claims raise the stakes on transparency because the maths is more aggressive. If you're saying you removed more than you emitted, the receipts have to be tighter, not looser. Pretty PDFs in a sustainability report won't do.
What it looks like for consumers
Most of this is invisible to the person actually buying the flight, the hotel, the jumper, the coffee. And honestly, that's how it should be. The job of carbon-positive economics is not to turn every shopper into an amateur climate analyst. It's to make the better option the default option — to bake the impact into the price of the thing rather than charging extra for it as a guilt-tax at checkout.
The "opt-in to add £2 to offset your trip" model has been around for years and has converted approximately nobody. People don't want to do climate homework while they're trying to book a weekend away. They want the trip. If the trip itself, as priced, leaves the atmosphere fractionally better off, the climate impact happens at the speed and scale of normal commerce — millions of small actions, no behaviour change required.
That's the real argument for positive over neutral at the consumer level. Neutral asks people to be virtuous. Positive asks businesses to be designed differently, and lets people just live their lives.
Where neutral still makes sense
None of this is to say carbon-neutral commitments are a scam. For heavy industry, aviation, cement, steel — sectors where the underlying emissions are enormous and decarbonisation is genuinely hard — getting credibly to net zero is an immense undertaking and worth doing on its own terms. You don't ask a steel mill to be carbon-positive next year. You ask it to be carbon-neutral by a credible date, with a credible plan, and credible interim milestones.
Where positive makes more sense is in sectors with thinner per-unit footprints and richer per-unit margins — services, retail, hospitality, software, finance. The arithmetic in these industries makes "more than neutral" actually achievable without bankrupting the model, and the consumer-facing nature of the businesses makes the impact visible in a way that drives wider behaviour change.
The two ideas aren't in competition. They're stacked. Heavy industry pushes toward neutral; lighter industry pushes past it. The aggregate is a system that, on net, draws down rather than holds steady.
The honest version of the pitch
Carbon-positive economics is not a silver bullet. It does not replace cutting emissions at the source, which remains the single most important thing any business or person can do. It does not turn every transaction into climate activism. And it doesn't work if the credits underneath it are junk.
What it does do is reframe climate spend from cost to design choice. It pulls money toward higher-integrity removal. It makes the impact visible at the point of purchase. And it shifts the burden off the consumer's conscience and onto the architecture of the product.
That last bit is the part we think about most at IMPT. Booking a hotel through us offsets a tonne of CO₂ on-chain — paid out of our commission, not added to your bill — and the same logic runs through the shop and the card. The token is the loyalty layer that ties it together. None of which requires you to think about climate finance for a single second of your trip. Which is, more or less, the point.