Wangari Maathai's environmental activism was deeply influenced by her experiences in Kenya, particularly the challenges facing rural women and the environment. Witnessing deforestation and its impact on community livelihoods fueled her commitment to sustainable development. She founded the Green Belt Movement, empowering women to plant trees and restore their environment. Maathai's work highlighted the interconnections between environmental sustainability, women's rights, and social justice, making her an influential figure in global activism.