Activists like Greta Thunberg are primarily motivated by a sense of urgency regarding climate change and environmental justice. Thunberg began her advocacy at a young age after learning about scientific data highlighting the impact of human activities on the planet. Her passion stems from a desire to secure a sustainable future for younger generations, urging governments and individuals to take significant action against climate crisis. Utilizing social media platforms, she raises awareness and mobilizes global youth, fostering a united front demanding accountability from leaders. Thunberg's determination exemplifies how personal conviction can drive large-scale movements for social and environmental change.