Final answer:
The 2004 Nobel Peace Prize was awarded to Wangari Maathai.
Step-by-step explanation:
The 2004 Nobel Peace Prize was awarded to Wangari Maathai for her contributions to sustainable development, democracy, and peace. Wangari Maathai was an environmental and political activist from Kenya who fought for democratic governance, gender equality, and environmental conservation through her organization, the Green Belt Movement. She was the first African woman to receive the Nobel Peace Prize, highlighting her significant impact in promoting sustainable development, democracy, and peace in Africa and globally.