Walkers will pick up trash along the road throughout the 5-month-long journey, scheduled to end July 11.
"The calling is so great, I would sacrifice anything for it," said Lupita Torres, 26, whose parents are from Mexico. Torres is a regular figure at California's only tribal college, Deganawidah-Quetzalcoatl University, whose premise was to unite Natives from both sides of the U.S. /Mexico border. The school is one of many stops where marchers will eat and rest.
"This is a chance to be part of history," she said. "This seventh generation has to change the world, we don't have a choice. Our consumption concerns me, so many people are affected by uranium mining, coal mining--all those things are archaic. We should be looking at solar, wind. How can you keep selling the land and water? Those things are sacred. But a lot of people don't know that."