Amy Martin

For the first time in 30 years, bison will be able to migrate outside of Yellowstone National Park. Park officials, private landowners and the state have been in a decades-long debate over the bison.

The Crow Tribe doesn't have adequate housing, jobs or educational opportunities. But it does have 9 billion tons of coal. Tribal leaders want to use it to better the community. But others worry about climate change and wonder if a proposed coal mine will pay off in the long run.