For the past 92 years, TIME has named a Person of the Year. In 2019, then-16-year-old Greta Thunberg became the youngest ever Person of the Year, and the first individual under age 25 to receive the title. Her movement to stop climate change, among other world-shifting youth movements of recent years, make clear that young people carry tremendous influence today, and that they are using that influence to shape a world that matches their vision. This year, in partnership with Nickelodeon, TIME is recognizing in the U.S.