Levi Draheim, 11, wears a dust mask as he participates in a demonstration in Miami in July 2019. A lawsuit filed by him and other young people urging action against climate change was thrown out by a federal appeals court Friday.

Levi Draheim, 11, wears a dust mask as he participates in a demonstration in Miami in July 2019. A lawsuit filed by him and other young people urging action against climate change was thrown out by a federal appeals court Friday.