It’s easier than ever to buy cheap clothes that are stylish — even designer knock offs. In fact, that’s how many of us shop these days, filling up our closets with the latest looks from places like Zara and H&M. It’s fun, affordable and good business for the brands. But author Dana Thomas says the problems behind fast fashion are many, from labor abuses to environmental degradation.

Dana Thomas’ new book is “Fashionopolis: The Price of Fashion and the Future of Clothes.”