Greta Thunberg's activism was shaped by significant experiences, particularly her awareness of climate change at a young age. After learning about the severe impacts of global warming, she felt compelled to act, initiating a school strike for climate action in 2018. Her solitary protests outside the Swedish parliament inspired a global movement, known as Fridays for Future, galvanizing youth activism worldwide. Thunberg’s personal experiences, including her struggles with Asperger's syndrome, strengthened her resolve to speak out. Witnessing the environmental crisis first-hand has cemented her role as a fierce advocate for sustainable policies and climate justice.