Figure 2. Map of the U.S. National Science Foundation’s network of 28 Long-Term Ecological Research (LTER) sites (as of 2017). Based on our research in 2013, the majority of sites (21 of 24 LTER sites in existence at that time) hosted some form of arts or humanities activities. The ITOC arts-humanities-science program emerged through Bonanza Creek LTER (BNZ) in Interior Alaska, nested within this larger ecosystem of LTER-based environmental arts and humanities activities. During the Microbial Worlds project, artists took field trips both to Bonanza Creek LTER and to Arctic LTER (ARC) located at Toolik Field Station on the North Slope of Alaska.