Phase Change creatively represents the effects of climate change through an engaging and dynamic spatial construction of melting ice. The ephemeral installation consists of 12,000 pounds of ice harvested from Lake Calhoun (Dakota name “Bde Maka Ska”) in March 2016 and stored passively from March through June. This sculptural ice form faces a lattice of infra-red lamps that are programmed to fluctuate based on data derived from climate change research. The heat produced by the lights corresponds to historical and projected climate change data and melts the sculpture according to three different climate change scenarios: a pre-industrial simulation that depicts climatic conditions as if the industrial era never happened; the present day scenario; and the “worst case” scenario that demonstrates the effects of the most extreme climate change forecasts.