Greta Thunberg's climate activism has been profoundly shaped by her journey, marked by her personal struggle with anxiety and the urgency of the climate crisis. After learning about climate change at a young age, she felt compelled to act, leading her to skip school to protest outside the Swedish Parliament. Her candid discussions about her mental health and the realities of climate change have resonated globally, prompting the Fridays for Future movement. Thunberg's speeches amplify the scientific consensus on climate urgency and demand action from world leaders, making her a pivotal figure in the youth climate movement.