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Swedish climate activist Greta Thunberg, then 16, listens to speakers during a climate change demonstration outside the U.S. Supreme Court Sept. 18, 2019, in Washington. (CNS/Kevin Lamarque, Reuters)
Swedish climate activist Greta Thunberg, then 16, listens to speakers during a climate change demonstration outside the U.S. Supreme Court Sept. 18, 2019, in Washington. (CNS/Kevin Lamarque, Reuters)