Patagonia founder Yvon Chouinard slept on dirt floors, lived on $1 a day, ate dented cat food. And then gave away his $3 billion company.

Patagonia founder Yvon Chouinard once survived by sleeping on dirt floors, living on just $1 a day, and eating dented cat food. After building Patagonia into a $3 billion company, he stunned the business world by giving it away to ensure its profits help fight climate change and protect the planet.