The inspiring story of a young Swedish schoolgirl who sparked a worldwide revolution, told in a new Who HQ NOW format for trending topics.When she was just fifteen years old, Greta Thunberg knew she wanted to change the world. With a hand-painted sign that read "e;School strike for the climate"e; in Swedish, Greta sat alone on the steps of the Swedish parliament to call for stronger action on climate change. Her one-person strike would soon spark a worldwide movement. This exciting story details the defining moments in Greta's childhood that led up to her now-famous strike and all the monumental ones that have fueled her revolution since, including being named Time's Most Influential Person of the Year in 2019.