Enlarge / Youth plaintiffs are greeted by supporters as they arrive for the nation's first youth climate change trial at Montana's First Judicial District Court on June 12, 2023. (credit: William Campbell / Contributor | Getty Images North America) A Montana state court today sided with young people who sued the state for promoting the fossil fuel industry through its energy policy, which they alleged prohibits Montana from weighing greenhouse gas emissions in approving the development of new factories and power plants.