Freon
ConceptMentioned in 2 videos
CFC refrigerant developed by Midgley; later implicated in ozone depletion.
Videos Mentioning Freon

The Man Who Accidentally Killed The Most People In History
Veritasium
A brand name for chlorofluorocarbons (CFCs) developed by Thomas Midgley Jr. as a non-toxic, non-flammable refrigerant. Its use led to the depletion of the ozone layer.

The Man Who Gave us the Power To Destroy Ourselves (Oppenheimer)
Veritasium