Montana youth take state to court over climate change duty.

A group of 16 young Montana residents will bring a groundbreaking climate change lawsuit to court, alleging that state officials violated their constitutional rights to a healthy environment. The lawsuit, Held v Montana, marks the first-ever constitutional climate trial in US history. Advocates hope the trial could set precedent for similar cases to move forward and that it could inspire legal action in other states. The two-week trial in Helena, Montana, is scheduled to run from 12 to 23 June.