Earth Day ice sculpture debrief » Screen Shot 2013-04-22 at 8.39.17 AM

While we were not permitted to use black carbon, the erosion of the ice sculpture by the sunlight and dark grey chalk we were sprinkling on it exceeded my expectations.

While we were not permitted to use black carbon, the erosion of the ice sculpture by the sunlight and dark grey chalk we were sprinkling on it exceeded my expectations.