Resolves Yes if Settles to the outcome the underlying source market resolves to.
Outcome verified from api.elections.kalshi.com.
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Atmospheric CO2 concentration is currently around 425 ppm and rising at roughly 2.5 ppm/year. Assuming the question refers to exceeding 430 ppm before 2030, this level is extremely likely to be reached given continued emission trends and weak policy action. The probability reflects strong base-rate evidence from recent years.