From growing hemp to fighting pipelines, Winona LaDuke has launched a large number of organizations, businesses and initiatives. Here’s a look at some of her environmental efforts.

A controversial hemp operation on the Navajo Nation has spawned a federal investigation into reports of marijuana production, interstate drug trafficking and violations of labor and child labor laws.

Kevin Killer, a former state lawmaker, and Alicia Mousseau, an expert in health and wellness issues, will be leading the Oglala Sioux Tribe.

The Navajo Nation is cracking down on people who grow marijuana on the largest reservation in the United States.