A new pipeline will provide running water to some of the 30 to 40% of Navajo Nation residents who still live without it in their homes.
The Navajo Gallup Water Supply Project, under construction in New Mexico, is testing approaches for improving access to running water.
Environmental correspondent Laura Paskus revisits the Gold King Mine spill and the destructive impact of the toxic orange plume that went flowing down the Animas and San Juan rivers five years ago.
The Zuni tribe's homeland is one of the most parched sections of the country. The tribe has already declared three drought emergencies in the last 15 years. Will it survive the next one?