The Event Index
Gathering survey · North America
Aspen Ideas: Climate
JUL 20–22 2026Chicago, USAT-2D
FlagshipPolicy & Science
The Aspen Institute's flagship public climate summit; ~2,000-3,000 attendees. (Moved from Miami to Chicago in 2025.)
Inside the survey
Official program coverage
On the official listnot yet surveyed
Never listed · expected—
Expected gathering total—
Indexed by PIQUE0
Official program · expectation model: unlisted ≥ listed
Survey pending
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