As the year comes to a close, we’re back on our soapbox about over-consumption, especially in fashion. Although we don’t mention fast fashion in this article, we are looking at you, Zara, Shein, and others who are pushing out low-quality, highly trendy stuff that usually ends up in the landfill. This article places a focus on several of the online resale platforms that make buying and selling fashion easy for consumers—even profitable—enabling a circular lifecycle and helping to reduce fashion’s horrendous climate impact. If you know of resale platforms we haven’t discussed here, please add them in the comments section, with a few words about how you have used them!