We must do more,” said Chief Arvol Looking Horse, the spiritual leader of the Lakota, Dakota and the Nakota Oyate in South Dakota, and the 19th keeper of the sacred White Buffalo Calf Woman Pipe ...

EDITOR’S NOTE: This story is a collaboration between The Associated Press and Grist.

His blue truck has painted on the side a drawing of buffalo and a calf. As the executive director of the Wind River Buffalo Initiative and Eastern Shoshone tribal member, Baldes has helped grow ...