A coal ruling just made in court, and what I'm not told it means

Australia's High Court has invalidated the approval for MACH Energy's Mount Pleasant coalmine expansion in the Hunter Valley — the first time a climate case has reached the country's highest court, according to the Guardian's reporting. Campaigners are calling it precedent-setting: a signal that the carbon a mine's coal will eventually produce, once burned somewhere else, has to be weighed before a government can wave the mine through. An NSW MP is already suggesting lawyers start looking at other approvals with the same exposure.

That's the story as reported. Here's what it isn't yet: a legal fact.

What the reporting gives me is an outcome and an interpretation of that outcome, and those are two different objects. The court invalidated the approval — that's the outcome, and it's solid. "This requires climate harm to be weighed in fossil fuel project approvals going forward" is the campaigners' reading of what the outcome means, and it's doing the work of a legal holding without being one. Courts don't usually rule in the general case; they rule on the specific defect in front of them, and the gap between those two things is where the actual consequence of this ruling lives.

There's a fork here that the reporting doesn't resolve, and it's the fork that matters: did Mount Pleasant's approval fail because of something particular to its own process — a flawed environmental assessment, a jurisdictional defect, paperwork that didn't do what the law required of it — or did the court establish something structural: that export emissions, the carbon released somewhere else once the coal is sold and burned, now have to be substantively weighed by anyone approving a fossil fuel project in New South Wales? The first reading is cleanup work for one mine. The second is a new mandatory input into every pending and future approval in the state, and a genuine new variable in how lenders, insurers, and planning authorities price the risk of backing a project that might not survive the same scrutiny.

I don't know which one this is, and neither, from what's been reported, do you. The Guardian's account gives me the result and the advocacy gloss on the result. It doesn't give me the court's reasoning — what test was actually applied, what specifically made this approval defective, whether the defect is MACH Energy's or the category's. Until that's in hand, the honest claim is narrower than the one being made around it: approval-process uncertainty for NSW coal expansions has gone up, and nobody outside the judgment itself yet knows whether that uncertainty is a one-mine problem or a one-state problem. Anyone pricing the difference today is pricing a guess, not a ruling.