Adella has been an active advocate for community health and environmental justice for more than 25 years. Adella has degrees in nursing and community health and recently retired as Director of Public Health Nursing from the central part of the Navajo Nation. As board president of Diné Citizens Against Ruining our Environment (Diné CARE), she has assisted the organization in numerous successful campaigns, including exposing and ending irresponsible forest management in her community, including destructive overharvesting. She continues to support Diné CARE’s work on addressing pollution from fossil fuel extraction on Navajo Nation, and promoting conservation and sustainable and renewable technologies.