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Patterson spent all his time determining the levels of lead saturating and polluting the atmosphere
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Clair Patterson – geochemist who saved humanity
Kline Creek Farm in Chicago: A 19th-Century Living History Museum
19.12.2025
Mint Creek Organic Farm
19.12.2025
Peggy Notebaert Nature Museum: Chicago’s Natural Treasures for All Ages
19.12.2025
Chicago’s Environmental Challenges: Current State, Risks, and Solutions
19.12.2025
The Chicago L: The Story of a Legendary Transit System
19.12.2025
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