But instead of joining a club or merely volunteering on the side, he's decided to build an organization with a fixed focus. Binns has been using his spare time putting together a not-for-profit outfit called, of course, Sustain Charlotte. (His day job is with the Green Press Initiative, where he is a program manager.) On Wednesday, on the eve of Earth Day, Sustain Charlotte hosted its first major event with the Center for Sustainability at Central Piedmont Community College. And for a debut event from a brand new group, it was a doozy.