Under Pressure

The Bottle That Prompted This

I opened a Champagne Ponson Blanc de Blancs 2018 Extra Brut the other night, purchased from Chambers Street Wines. Maxime Ponson farms thirteen hectares of Premier Cru vineyards organically across the Petite Montagne, and his wines carry a quiet authority — structured, precise, the kind of champagne that makes you pause mid-conversation. It reminded me, once again, why so many sommeliers and collectors privately admit that champagne is their desert-island wine.

This is not a contrarian take. It is an observation rooted in something structural — something that happens inside the bottle itself.

Why Sparkling Wine Travels Better

Here is a claim that sounds too convenient to be true: wine bottled under pressure actually ships better than still wine. But the science supports it.

A bottle of champagne holds five to six atmospheres of pressure — roughly double that of a car tire. That dissolved carbon dioxide does more than create bubbles. It acts as a protective shield against oxidation. Research published in OENO One has demonstrated that wines with higher CO₂ saturation show significantly slower oxygen uptake. The pressurized environment physically prevents air from reaching the wine, keeping it in a kind of suspended animation.

Then there is the packaging itself. Champagne bottles are heavier and thicker-walled than their still wine counterparts, designed to withstand enormous internal force. The cork is driven straight into the neck under compression, mushrooming only after extraction, and the wire cage — the muselet — locks everything in place. Compare this to a still wine sealed with a standard cork, vulnerable to temperature shifts, micro-oxidation, and the slow creep of air.

The practical implication for an importer is significant. When you open a bottle of champagne that has crossed an ocean, sat in a warehouse, been trucked to a distributor, and finally made its way to your table — the wine inside is closer to what it tasted like at the cellar than almost any still wine could be. The pressure has frozen a snapshot of the vintage. You are tasting something remarkably pure.

High acidity, common in champagne grapes harvested deliberately early, provides an additional layer of natural preservation. Acid and CO₂ together create an environment deeply hostile to spoilage organisms. This is why champagne can afford to carry less sulfur dioxide than many still wines and still arrive intact.

The Natural Wine Question

But here is where it gets complicated. Champagne is arguably the most industrial of all wine regions — a place where large houses have historically prioritized consistency over terroir, where dosage and blending smooth out vintage variation, where the word "natural" has felt almost oxymoronic.

In the natural wine world, champagne is often met with suspicion. The méthode traditionnelle requires a secondary fermentation: yeast and sugar are added to a still base wine, the bottle is sealed, and the CO₂ is trapped. That addition — the liqueur de tirage — is, by definition, an intervention. Can champagne ever be natural?

We have visited some of the producers working hardest to answer that question, and our conclusion is unequivocal: yes, it can.

Legrand-Latour: Champagne as Geology

Thibault Legrand-Latour farms four biodynamic hectares in Fleury-la-Rivière, in the Vallée de la Marne. He no longer owns a tractor. Everything in his vineyards is done by hand. His wines are named after geological epochs — Eocene, Ypresien, Lutetien — because each cuvée is vinified according to the specific stratum from which its grapes originate. Beneath his vines, his father Patrice excavated a miles-long cave system containing marine fossils from the Lutetian period, forty-five million years old. Winemaking and paleontology share the same address.

What makes Legrand-Latour’s approach radical is his tirage. Rather than adding refined sugar and commercial yeast for the secondary fermentation, he uses fresh grape juice from the following vintage — a method sometimes called the Agrapart approach. No sugar is added. No alcohol is created beyond what the juice itself produces. The result is champagne made from nothing but pure grape juice, start to finish.

I finally encountered his wines in New York, on the list at Frenchette — a perennial favorite and my anniversary destination. The wine was unmistakably natural. I caught a whisper of mousiness peering out from behind the popcorn-like reductive notes, the way you sometimes do with a young natural Jura. This is a phase, not a flaw — the wine is still working through its slightly oxidative adolescence. Some of the best wine I have ever tasted was disgorged from his bottles directly in front of me at the cellar, still chalky and alive. Even with six bars of pressure shielding it, that particular magic did not travel perfectly. But this is the honest cost of minimal intervention.

Champagne Augustin: Biodynamics at the Extremes

We visited Marc Augustin in Avenay-Val-d’Or, on the slope above Mareuil-sur-Ay. His nine and a half hectares of Premier Cru vineyard are Demeter-certified biodynamic, a commitment inherited from his father Jean, who never used a single herbicide or synthetic chemical.

What I witnessed at Augustin was some of the most rigorous biodynamic practice I have seen anywhere. Beyond the standard preparations — cow horn manure, silica — Marc employs plant concoctions, aromatherapy, quartz crystals buried at vineyard borders, and bottling timed to lunar cycles and tidal rhythms. His cuvées are named after the four elements: Terre, Air, Feu, and a zero-sulfur bottling whose name alone signals its ambition.

But what truly stayed with me was his approach to pest management. Rather than spraying pesticides, he captures dead insects of the pest species, passes them through purified water, and sprays the resulting solution on his vines. The principle, drawn from Rudolf Steiner’s original agricultural lectures of 1924, is that the ash or essence of a burned pest acts as a deterrent to living members of the same species. Steiner called this “peppering” — a practice that sounds like folklore until you watch someone devote their entire livelihood to it. Whether or not the mechanism is scientifically validated, the devotion is unmistakable, and the wines are remarkable: fermented with indigenous yeasts in a mix of enamel tanks, oak barrels, and Georgian clay amphorae. No chaptalization, no filtration, minimal sulfur.

Romain Henin: Le Gamin du Terroir

If there is a figure who embodies the current generation of natural champagne, it might be Romain Henin. Based in Ay — Grand Cru, no less — Romain comes from a multi-generational winegrowing family, but fundamentally rejected his parents’ conventional practices. He obtained his winemaking diploma in 2011, worked at Henri Giraud, and by 2016 had leased his first vines to do things his own way.

His mentor was Sébastien Mouzon, another natural champagne producer from Ay, who guided him into organic and biodynamic viticulture from the start. But the real turning point came in the summer of 2018, when Romain traveled to Greece with childhood friend Jason Ligas and natural wine icon Patrick Bouju to work the harvest on the island of Samos. Working alongside winemakers who used zero sulfites reinforced his conviction entirely. He returned to Champagne and committed to producing wines with no inputs and no sulfites whatsoever.

Today he farms seven and a half hectares across Grand Cru and Premier Cru terroirs — Ay, Chouilly, Mareuil-sur-Ay, Dizy — with over a hundred fruit trees planted per hectare as part of an ambitious agroforestry program. Everything is Demeter-certified biodynamic. His wines are brut nature, zero dosage, zero sulfites, no fining, no filtration. The cuvée names have a playful honesty to them: Le Gamin du Terroir (“the kid of the terroir”), Entre les Gouttes (“between the raindrops” — a nod to the notoriously rainy 2021 vintage that produced only two thousand bottles), L’Odyssée Pétillante.

We had a great visit with Romain, and I have loved encountering his wines at natural wine restaurants across Europe — from Paris to Amsterdam to Rome. He is very much embedded in that circuit: listed on Raisin, sold through specialist natural wine shops, his Instagram radiating the energy of someone who genuinely enjoys what he does. His wines have that unmistakable vibrancy of Grand Cru Ay — Pinot Noir and Chardonnay from some of the most storied vineyards in Champagne — but without a trace of the polish or uniformity that Grand Cru usually implies. These are champagnes that feel alive and unfinished in the best possible sense.

Production is tiny — two to six thousand bottles per cuvée. They disappear quickly.

Champagne Ponson: Organic Precision

Maxime Ponson represents a quieter revolution. Fifth-generation in Coulommes-la-Montagne, he returned to work with his father Pascal in 2011 and immediately pushed for organic conversion. When Pascal died unexpectedly in 2018, Maxime and his brother Camille completed the organic certification that same harvest — a milestone that was both professional and deeply personal.

Ponson’s wines are meticulous without being austere. The Blanc de Blancs Extra Brut that opened this musing is single-vineyard Chardonnay, vinified partly in barrel, with extended lees aging and minimal dosage. It is the kind of champagne that makes the argument for organic farming not through ideology but through sheer quality in the glass.

Mousiness, Honesty, and the Cost of Purity

A word on mousiness, since I mentioned it. The flaw — a stale, popcorn-like aftertaste caused by tetrahydropyridines produced by lactic acid bacteria — has become the defining controversy of natural wine. It is almost undetectable on the nose. It appears on the palate seconds after tasting, triggered by saliva raising the wine’s pH. About a third of people cannot taste it at all.

Mousiness is rare in conventional wine because sulfur dioxide suppresses the bacteria responsible. In natural sparkling wine, where residual sugars and absent sulfur create favorable conditions, it appears more frequently. Some argue it is a phase the wine passes through, like the awkward tannins of a young Barolo. Others consider it an unambiguous fault.

I lean toward honesty. The slight mousiness in that Legrand-Latour at Frenchette did not diminish the wine. It told me something about what the wine had been through — its journey, its vulnerability, its refusal to be stabilized into anonymity. Great wine does not need to be flawless. It needs to be alive.

The Paradox

So here is the paradox: champagne, a wine often associated with industrial production and luxury marketing, may actually be the ideal vessel for natural winemaking. The pressure preserves. The acidity protects. The robust bottle shields. A naturally made champagne travels better than a naturally made Beaujolais or Loire red — and arrives closer to the winemaker’s intention.

But even with six bars of pressure working in its favor, a natural champagne still needs rest after its journey across the ocean. The CO₂ buys you time, not immunity. Our recommendation for any bottle that has recently traveled: let it settle for at least a few weeks before opening. The patience will be rewarded.

Champagne can be natural. It can be biodynamic. It can be made from nothing but grape juice and indigenous yeast. And when it is, it may be the purest wine you will ever drink.

The pressure preserves the vintage, but it is the farmer who preserves the land.