Massive protests didn’t stop the Dakota Access Pipeline from being built, but we should try to measure their success in other ways — by the lessons learned and by all the people and communities empowered, suggests tribal attorney Tara Houska.

Aaron Huey didn’t mean to become an advocate for Native American treaty rights. Yet a 2005 assignment to photograph Lakota tribe members in the Pine Ridge Reservation in South Dakota changed all that. He tells us what happened next.