Dramatic week in Montana climate trial as youngsters tell of toll on lives

Youth plaintiffs accuse state officials of violating their right to a healthy environment in landmark case in Helena

Grace Gibson-Snyder, 19, loves her home state of Montana. Thinking about its future fills her with fear.

She's seen the lands she loves change since she was a child, she told the first judicial district court of Montana this week. The rivers she grew up rafting are getting lower amid frequent dry spells. The air she breathes in during soccer practice more frequently fills with wildfire smoke. And in Glacier national park in Montana's Rocky Mountains, the glaciers are melting.