There are just under 100 days before this year’s United Nations climate summit kicks off in Brazil. In my survey of business and civil society leaders, conducted in formal interviews and in casual conversations, I hear a version of the same answer about their plans for the conference known as COP30: uncertainty.  In short, companies and non-profits remain undecided whether to make the trek to the Amazonian city of Belém for the two weeks of talks that begin Nov. 10. Because of both logistics