Who is Yvon Chouinard, the billionaire donating his company to fight climate crisis?

American billionaire Yvon Chouinard, the Founder of fashion retailer Patagonia, has donated his $3 billion-company to fight the climate crisis. Chouinard, a former rock climber, has an estimated net worth of $1.2 billion and has long championed environmental causes. Previously, he said that he didn't want to become a businessman and reportedly doesn't own a computer or a mobile phone.