Earth Guardians Youth Director Xiuhtezcatl Martinez (first name pronounced "Shoe-Tez-Caht") is a nineteen-year-old indigenous climate activist, hip-hop artist, and powerful voice on the front lines of a global youth-led environmental movement. At the early age of six, Xiuhtezcatl began speaking around the world, from the United Nations Summit in Rio de Janeiro to addressing the UN General Assembly in New York.