Time's Up! is a New York environmental group which promotes nonpolluting transportation and sustainable solutions to an urban problems. Over the last twenty-five years, the group has taken a do-it-yourself approach to an environmental activism, bridging neighborhood, global justice, and occupy movements. With roots in the squatter movement in New York, Time's Up! has built its own distinct brand of DIY urbanism to fight for community gardens, support group bike rides, and create sustainable approaches to an urban living. While the group makes use of a wide range of approaches to reclaim public space, direct action is its guiding principle. The group links social networks with alternative approaches to community building outside of institutional channels. The following considers Time's Up! as a case study in environmental justice DIY urbanism.