Suncor v. Boulder County, October 5

Why not Monday the 28th

Next week’s Supreme Court event is a conference on Monday, September 28, 2026. Conferences are closed. No public hour is posted for the Justices’ conference room. The first public sitting of October Term 2026 is the First Monday in October: October 5, 10:00 a.m. Orders are listed at 9:30 a.m. that morning. Those orders are a different minute. This paper dates the first argument.

The only clock

The Court’s argument calendar and the granted-and-noted list set No. 25-170, Suncor Energy (U.S.A.) Inc. v. Commissioners of Boulder County, first on Monday, October 5, 2026. The Court convenes arguments at 10:00 a.m. A second case that morning, Johnson v. United States Congress, is listed after. It is not this paper’s clock.

The questions presented, as summarized on the public calendar, ask whether federal law bars state-law claims seeking relief for injuries allegedly caused by interstate and international greenhouse-gas emissions, and whether the Supreme Court has authority to hear the case. Those are the questions on the notice. They are not answers.

A caption that names a county

The respondent line names the Commissioners of Boulder County. That is why a register in Oregon dates this hour. County is the durable public unit on this site. A county in a Supreme Court caption is still a county. It is not, for one hour, the whole climate. Installment II already refused to pile Boulder’s grant, award, outlay, and audit into one page. This paper refuses to pile those files into 10:00 a.m.

Argument in Washington does not relocate the county seat. Boulder County remains in Colorado. The courtroom remains at First and Maryland. Keep the geography on the caption where it belongs.

An argument is not a verdict

Oral argument is the hour the Court hears counsel. Audio is streamed. A transcript posts the same afternoon. An opinion, if one comes, will carry a later date. A stay, if one issued on the emergency docket this summer, is a different instrument. Do not treat a question from the bench as the judgment. Do not treat a county’s name in the caption as a finding that the county’s theory is law.

What this paper will not do

It will not score the climate. It will not treat Suncor or Boulder as a party this register represents. It will not fold October 5 into November 3. It will not sell Legal Publication of an argument.

Closing

Monday, October 5, 2026, 10:00 a.m., the courtroom at 1 First Street NE. That is when October Term 2026 opens with a caption that names a county. Listen if you came for the questions. Do not ask this paper to write the opinion.

An oral argument is a public hour at a named bench. It is not a verdict. Date First Street. Leave Boulder County where the caption put it.

Notes and sources

1. One clock: Monday, October 5, 2026, 10:00 a.m., Supreme Court courtroom, 1 First Street NE, Washington, D.C. Paper dated September 26, 2026.
2. Supreme Court granted-and-noted list OT 2026: No. 25-170, Suncor Energy (U.S.A.) Inc. v. Commissioners of Boulder County, argument October 5, 2026. Court convenes arguments at 10 a.m.
3. Public calendars: first argument Oct. 5, 10 a.m.; Johnson v. United States Congress listed after; orders 9:30 a.m.; conference September 28 (closed).
4. Questions presented as publicly summarized: whether federal law bars state-law claims for injuries allegedly caused by interstate and international greenhouse-gas emissions; whether the Court has authority to hear the case. Not adopted as holdings.
5. Companion: One county, four clocks. The photographs are the west facade and the columns. No portraits.