▶

Thomas Midgley Jr. and the Harm of Leaded Gasoline and CFCs

Veritasium · Explainer · 25 min · 2022 · YouTube title: The Man Who Accidentally Killed The Most People In History
Why it's here

HN commenters recommend it whenever leaded fuel, toxic chemicals or corporate profit motives come up, praising its storytelling and accessible science.

What it covers

Veritasium tells the story of Thomas Midgley Jr., who introduced leaded gasoline and CFCs, and covers the science behind lead exposure and ozone damage. It also touches on isotope geochemistry used to uncover the history.