Blog · Strategy
Plastic isn't the villain. Linear thinking is.
We spent years on the molecule. The breakthrough was the system.
We spent years on the molecule. The breakthrough was the system.
Most of the conversation about plastic over the past decade has focused on the wrong thing. We spend extraordinary energy debating which molecule is acceptable. PE, PET, PLA, PHA, paper, as if swapping the molecule will save us. It won't. The molecule isn't the problem. The problem is that we've designed an end-of-life pipeline that almost guarantees the molecule, whatever it is, ends up in landfill, incineration, or the ocean.
The single biggest lesson of building this company is that the system you build around the material matters more than the material itself. A perfectly engineered compostable cup, dropped into a system that has no industrial composter to receive it, ends up doing the same thing as a polyethylene cup. A modestly engineered compostable cup, dropped into a system that captures and processes it, ends up replacing peat in a horticulturist's bag.
We're often introduced as a bioplastics company. It's an understandable shorthand, and we don't fight it too hard. But internally, we describe what we do as running a closed loop. The plastic, the cup, the lid, the bag, is one input into the system. The compost machine is another. The off-take partnership with Jysk Muld is another. The horticultural buyer who pays a premium for peat-free compost is another. None of these are interesting on their own. Together, they form a circuit.
This framing matters because it changes which problems we work on. A plastics company asks: how do I make a better cup? A closed-loop company asks: how do I make sure the cup gets back to the compost machine? Those are very different roadmaps.
The linear model, extract, make, use, discard, has subsidized itself for decades because the discard step has been externalized. Someone else pays for the pollution: the ocean, the lung, the next generation. The moment you internalize end-of-life, really internalize it, not just put a recycling logo on the package and hope, the economics change. Suddenly the materials choice has to consider not just cost-to-produce but cost-to-process. Suddenly the contract structure has to include the off-take partner. Suddenly the brand on the cup is responsible for what happens to the cup.
That's a harder business than "sell as many cups as possible". It's also, we think, the only one with a future.
There is no end to what we can achieve in terms of sustainability, but there is a beginning.Jayu Yang, CEO
Closed-loop thinking sits at the awkward boundary between three different kinds of work: materials science (the cup), process engineering (the compost machine), and operations (the venue, the partner, the off-take). No company we've talked to does all three well, because they're traditionally three different industries with three different cultures.
So the bet we made when we started GRØNBLÅ in 2021 was that the only way to get the loop to actually close was to do all three under one roof. It's harder than picking one and partnering for the others, but it lets us iterate end-to-end. When something doesn't work, and a lot of things don't work the first time, we can change the cup, the compost machine, and the contract in the same week.
This blog post is mostly a long way of saying: stop arguing about the molecule. Start asking about the system. The molecule is going to keep changing. PLA today, PHA tomorrow, something better next decade. The system has to be in place either way. That's the work.
If you're working on the operator side, venue, caterer, festival, and you've hit a wall on closed-loop deployment, we'd love to hear about it. We probably have hit the same wall.