MISSOULA — Four of the youth plaintiffs challenging the Trump administration’s climate policies had their day in court Tuesday, telling a judge that climate change-fueled wildfires and extreme weather prevent them from living their lives the way they want to.

The testimony came alongside that from three expert witnesses who also took the stand during the first day of a hearing in federal district court in the Lighthiser v. Trump case, arguing the court should find Trump’s executive orders on energy issues unconstitutional and halt them. The plaintiffs seek a temporary block while the full case plays out on three orders aimed at boosting the coal industry and declaring a national energy emergency.

The youth ages 11 to 20 described damage to their physical and mental health from climate ch

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