Greta Thunberg's activism is informed by her personal experiences with climate anxiety and a deep sense of urgency regarding environmental issues. Diagnosed with Asperger's syndrome, she perceives climate change with acute clarity, motivating her to challenge world leaders on their inaction. Thunberg's school strike initiative, which began in 2018, galvanized a global movement for climate action, emphasizing youth empowerment and accountability. Her speeches have called for immediate and drastic measures to combat climate change, highlighting the moral responsibility of current generations to protect the planet for future ones. Thunberg’s impact exemplifies how personal conviction can drive collective change.