The prominent figure known for their advocacy in the fight against climate change is Greta Thunberg, a Swedish environmental activist who gained international recognition for her efforts to combat climate change. Thunberg's activism began with "Fridays for Future," a global movement encouraging students to strike for climate action. Her passionate speeches at international forums, such as the United Nations, emphasize the urgency of addressing climate crises and holding governments accountable. Thunberg's dedication has inspired millions worldwide to advocate for sustainable practices and policies to protect the planet for future generations.