Kids just won the right to sue the U.S. government over climate change.

A U.S. District judge in Eugene Oregon just ruled that a lawsuit filed by 21 youth plaintiffs is valid. Their lawsuit sues the U.S. government for violating their constitutional rights to life and liberty by not taking sufficient action against climate change.

The plaintiffs range from ages nine to twenty, and include activist Xiuhtezcatl Martinez who is featured in the video above. Read the full article on the case in Motherboard here.