Wangari Maathai was born in 1940 in Kenya. She went to school in Kenya and the U.S., obtaining a PhD from the University of Nairobi in 1971. In 1977, she founded the Green Belt Movement, planting trees to help empower women and address environmental issues. She was awarded the Nobel Peace Prize in 2004 for her work, making her the first African woman to win the Nobel Peace Prize.