For luxury executives including Kering Chief Executive Officer François Henri-Pinault, 2020 was the year in which the industry forever changed. Amid the arrival of the coronavirus, companies such as his suffered their worst year on record. Consumer behavior shifted even faster from brick-and-mortar to online as supply chains were disrupted. The upheaval has only made more urgent a critical question facing the biggest brands: How does the luxury industry continue to grow while also becoming more sustainable?