“[Fashion] is the most wasteful industry and nobody is talking about it. They talk about food, planes, cars. But fashion is among the biggest out there for consumption and waste.

Never throw anything away. If you buy good-quality garments, they will last for a lifetime.

“Never throw away anything from your closet. If you buy good-quality garments, they will last for a lifetime. I hate these articles about how to clear out your wardrobe to make space for the new season. I have so many things in my closet that I bought when I was 20 and I still wear—I’m 40! I have so many clothes from my mom, including shoes.”

—Livia Giuggioli Firth, co-founder of Eco Age, a sustainable boutique in London, and wife of some actor dude named Colin, on shopping from your own closet.