Trickle Down Episode 17: Earth's Most Destructive Organism Part 3 (Sample)

Trickle Down Episode 17: Earth's Most Destructive Organism Part 3 (Sample)

QAA Podcast

Just a couple years after Thomas Midgley, Jr. invented leaded gas in the 20s, he followed up that achievement by inventing chlorofluorocarbons or CFCs, which were sold by Du Pont under the brand name of Freon. The crown …

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