Dave Kolpack
Associated Press
CANNON BALL, N.D. (AP) — At the peak of protests against the Dakota Access pipeline in 2016 and 2017, when speakers needed help to be heard by the hundreds of demonstrators who had gathered near the Standing Rock Indian Reservation, they grabbed a microphone powered by a mobile solar unit.
The sound system was one of several green energy examples that stuck with Cody Two Bears, a young Standing Rock leader who occasionally took the mic. After the camp was closed, Tw