Sustainability has moved from a kitchen afterthought to a headline act in fine dining. Sourcing, waste, and provenance now sit on tasting menus right beside the food. That shift raises a sharp question. Has a green conscience quietly become part of the price of a second Michelin star, or are the two honours still separate?
Photo by Elle Cosgrave
What the Michelin Green Star Actually Rewards
Michelin launched the Green Star in 2020 to spotlight sustainable gastronomy. It weighs sourcing, waste management, provenance, and how clearly a team shares these efforts with guests. Crucially, it sits beside the classic rating rather than inside it. A Plate, a Bib Gourmand, or a one, two, or three star kitchen can all hold one.
Michelin has described Green Star holders as being “at the top of their game” on sustainability. That echoes the local, ingredient-led philosophy behind cooking with seasonal harvests.
Do Stars and Sustainability Really Overlap?
The classic stars judge the plate. Inspectors weigh ingredient quality, technique, harmony of flavours, the chef’s personality in the cooking, and consistency over time. None of those criteria mention the environment. So, on paper, sustainability is not a requirement for any star, second or otherwise.
Yet at the top end, sustainable practice has grown so common that it can feel expected. Quality and provenance often point to the same suppliers, which is why ingredient accountability keeps gaining weight.
The accolade also spread quickly, as the chart below shows. Michelin Green Stars worldwide, approximate counts.
The Inflation Question
Green Stars multiplied fast, from roughly 291 in 2021 to about 642 by 2025. That rapid spread is the core of the inflation worry, since scarcity is part of what makes any badge mean something. In May 2025, Michelin said it would phase out the Green Star and replace it with an editorial series called Mindful Voices.
A Michelin spokesperson framed the change as a move to reaffirm a “more responsible approach to gastronomy.” Retiring the separate badge suggests sustainability is being folded into the guide’s wider outlook, not written into the star rules.
Athens Shows How the Two Can Meet
Athens offers a vivid example. Among the 2 michelin star restaurants Athens diners seek out, Delta stands apart, having earned its second star and a Green Star together in 2022. At the Stavros Niarchos Foundation Cultural Center, chef George Papazacharias runs a twelve course menu built on a “no loss, no waste” principle, a kitchen garden, local sourcing, and responsible fishing.
Delta’s backers describe the venue as part of an environmentally sustainable public space. It shows both honours can arrive side by side, without one being the price of the other. The short film below captures that setting and approach.
Michelin Stars vs the Green Star: What’s the Difference?
While sustainability is not a formal requirement for Michelin recognition, many modern chefs view it as part of culinary excellence. A Michelin-starred restaurant today is increasingly judged not only by what appears on the plate but also by how responsibly ingredients are sourced and used.
The Michelin Green Star was introduced in 2020 to recognize restaurants that place sustainability at the heart of their operations.
Michelin Stars, ranging from one to three, are awarded based on factors such as ingredient quality, cooking technique, flavour, and consistency, whereas the Green Star highlights responsible sourcing, waste reduction, provenance, and transparency. Although thousands of restaurants around the world hold Michelin Stars, only around 642 venues had received a Michelin Green Star by 2025.
The two distinctions are not mutually exclusive and can be awarded to the same restaurant, as demonstrated by Delta in Athens, which has been recognized for both its culinary achievements and its commitment to sustainable dining practices. While Michelin Stars continue as an active part of the guide, the Green Star is currently being phased out, making its recipients a notable chapter in Michelin’s evolving approach to restaurant recognition.
Key Takeaways at a Glance
- Is sustainability required to earn Michelin stars? No. Stars rate the food on the plate. Sustainability was recognised through the separate Green Star, never through the core star criteria.
- What is replacing the Michelin Green Star? Michelin began phasing the Green Star out in 2025 and introduced an editorial series called Mindful Voices to spotlight responsible people and ideas.
- Can one restaurant hold a star and a Green Star at once? Yes. Delta in Athens held two stars and a Green Star at the same time, both earned on its first Michelin evaluation.
- Does sustainability ever influence a star rating? Not as a written rule. Still, careful sourcing and high quality often overlap, so sustainable kitchens and starred kitchens frequently share habits.
The Verdict
So is a green conscience the price of a second star? Officially, no. The plate still decides the stars. Sustainability now reads as expected culture rather than a formal rule, and restaurants like Delta prove both can be won in the same year. For more on this world, browse my blog’s restaurant reviews.
