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Evidence from glacier ice: Until it was banned, leaded gasoline dominated the anthropogenic lead emissions in South America

Green Car Congress

The team discovered evidence of the dominance of leaded gasoline based on measurements in an ice core from Illimani glacier in Bolivia; Illimani is the highest mountain of the eastern Bolivian Andes and is located at the northeastern margin of the Andean Altiplano. Glacier ice is an invaluable archive of past air pollution. Resources.