Nepal, Nov. 11 -- Every autumn, the UN holds its international climate summit or "Cop" (Conference of the Parties). Between each Cop, a smaller, lower-profile gathering takes place. Called the SB-short for "subsidiary bodies" of the UN's Framework Convention on Climate Change (UNFCCC)-these smaller meetings matter but don't draw as much public attention.

The SB meetings are a world apart from Cops. Held in the same small venue in the German city of Bonn every year, the latest, SB60, had 8,606 participants whereas last year's Cop28 in Dubai had around 100,000. Observers make up about half of the SB participants, and the atmosphere is less about being there to show you care and more focused on the matter at hand-global negotiations.

In co...