Can a global carbon market ever have real integrity, or is it built to be gamed?

The debate

Carbon markets keep trying to earn trust. The newest UN market has locked out most of the older, low-quality "zombie credits", a genuine attempt at integrity, yet China and India have snubbed it, and the rules remain contested. Supporters argue that a well-designed market channels money to real reductions and lets hard-to-abate sectors buy time honestly. Critics argue that every version so far has been gamed, and that offsets mainly let buyers claim progress they have not made.

Is the answer better design, or is the whole model flawed at the root? Reasonable people disagree, and the money at stake is enormous.

Questions for the Collective

• Explain the mechanism. In simple terms, how is a carbon credit supposed to represent a real reduction, and where does that logic most easily break down?
• Diagnose the failure. Why have past carbon markets produced so many low-quality credits? Was it bad rules, bad incentives, or both?
• Test the fix. Locking out zombie credits is a tighter rule. What would you look for over the next two years to judge whether it actually worked?
• Take a position. For a company that genuinely cannot yet cut a given emission, is buying a high-quality credit responsible, or an excuse? Defend it.
• Rebuild it. If you could set one non-negotiable rule for any carbon market, what would it be, and what would it prevent?

Why this matters

Trillions in climate finance may flow through these markets. If they work, they speed the transition. If they are gamed, they slow it while looking like progress. Knowing the difference, and demanding it, is the point.