Once the intersecting valleys converging at Big Sky were contiguous forest filled with abundant wildlife. Over time%2C as the footprint of development has expanded%2C it%27s become a gauntlet that wildlife avoid. There are problems too related to the local sewage treatment and worries about wildfire. For the most part%2C environmental groups have been missing in action when it comes to gauging Big Sky%27s impact on public lands. Photo courtesy Chris Boyer %28kestrelaerial.com%29