Greta Thunberg is a Swedish climate activist who has become one of the most influential voices in the global fight against climate change. Born in 2003, she gained international attention in 2018 when she began skipping school to protest outside the Swedish parliament, demanding stronger action on the climate crisis. Her movement, called Fridays for Future, quickly spread across the world and inspired millions of young people to join climate strikes. Greta Thunberg is now recognized for her powerful speeches at the United Nations, the European Parliament, and the World Economic Forum, where she urges leaders to act urgently on global warming and reduce carbon emissions.