Once the intersecting valleys converging at Big Sky were contiguous forest filled with abundant wildlife. Over time, as the footprint of development has expanded, it's become a gauntlet that wildlife avoid. There are problems too related to the local sewage treatment and worries about wildfire. For the most part, environmental groups have been missing in action when it comes to gauging Big Sky's impact on public lands. Photo courtesy Chris Boyer (kestrelaerial.com)