Out of all the things teenagers are known to do, suing the U.S. government isn't one of them.

Go ahead and add it to the list.

15-year-old Xiuhtezcatl Roske-Martinez and 20 other young people ages 8 to 20 have sued the government for its inaction on climate change — and so far they've been successful. This is, needless to say, unprecedented.

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Heroes