Evidence from glacier ice: Until it was banned, leaded gasoline dominated the anthropogenic lead emissions in South America
Green Car Congress
MARCH 8, 2015
The scientists found that lead from road traffic in the neighboring countries polluted the air twice as heavily as regional mining from the 1960s onwards. Apart from combustion of leaded gasoline, major sources of anthropogenic Pb emissions include mining, metallurgical processing, and coal burning. Picture: Paul Scherrer Institute.
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