"Earlier this week, the U.S. Environmental Protection Agency announced that JoAnn Chase, Mandan, Hidatsa and Arikara Indian Nation, was appointed to be director of the American Indian Environmental Office, Office of International and Tribal Affairs."

"When three 775-foot-tall smoke stacks at the Navajo Generating Station came tumbling down in December, sending plumes of dust into the sky and thundering reverberations off the mesas of the Arizona high desert, it marked the end of an era."

"Long before a deadly flood hit two hydroelectric dams, scientists warned repeatedly that such projects were dangerous in a fragile region made more so by global warming."

"The head of a House oversight panel on Monday renewed its investigation into political interference in the nation’s coronavirus response, releasing new allegations of meddling in scientists’ work."