On a recent Wednesday evening, nine entrepreneurs—from glass blowers to composters to kombucha makers—gathered at the Resource Exchange in Kensington to address a crowd of mostly 20- and 30-something women sipping mixed drinks through biodegradable paper revolved around the circular economy, a system that aims to minimize waste through reduction, reuse, and recycling of materials.

“Glass is perfect,” declared Rebecca Davies of Remark Glass. “It’s reusable, it doesn’t leach chemicals into food or the environment, it’s recyclable … and it can store an entire bottle of wine. What more could you want?”