Greta Thunberg, the 16-year-old Swedish climate change activist, will the Standing Rock Reservation in North Dakota on Tuesday.
Organizers said Thunberg will take part in a panel discussion and will reportedly be joined by Tokata Iron Eyes, a high school student recognized for her efforts in demonstrating against the Dakota Access Pipeline.
Thunberg and Iron Eyes will also take part in a climate rally and march on Monday in Rapid City, S.D.