Two years ago, a fifteen year-old Swedish student with Asperger’s syndrome, Greta Thunberg, won an essay competition by writing a paper on climate change. That same year, she initiated global protests aimed to force governments to reduce greenhouse gas emissions.

TIME’S 25 most influential teens of 2018, December 2018, an annual list compiled by Time magazine of the most influential teenagers in the world that year. Nobel Peace Prize nomination, 2019.