How It Works
In one sentence
A carbon credit is one tonne of CO2 that a verified project removed or prevented from being emitted. When you buy one from OpenCarbon, it's transferred into your name in a public registry and then permanently "retired" so no one else can ever claim it — you get a certificate as proof.
It isn't a donation and it isn't a symbolic gesture. It's a tracked, serial-numbered, one-time-use unit — more like a deed to a specific tonne of avoided carbon than a receipt.
From verified project to your certificate
Here's exactly what happens between a project reducing emissions somewhere in the world, and you holding proof of it.
Verified against real standards
Projects are audited under an established methodology (e.g. Gold Standard, Verra, Puro.earth) before any credit is issued.
Serial-numbered & registered
Each credit equals one tonne of CO2e and gets a unique serial number in a public registry — so it can't be sold twice.
You buy from OpenCarbon
We source credits from registered projects and transfer them into your name the moment you check out.
Retired — with your certificate
Your credit is permanently retired in the registry, and you get a certificate showing its serial number as proof.
Grounded in real standards, not marketing claims