About Us
MASE community members and partners gathered in solidarity to protect land, water, and future generations.
MASE Works By
- Developing and strengthening the relationships among the people of this community and region.
- Understanding the complex and rich ecosystem that sustains and includes us.
- Initiating and supporting sustainable ways of working and living that promote the health and well-being among the people and the environment.
- Engaging with government and industry to re-mediate and stop harm to our people and the environment.
MASE Vision
The Multicultural Alliance for a Safe Environment envisions respectful, peaceful communities cherishing a healthy environment.
MASE Mission
MASE is rooted in the experiences of uranium-impacted communities of the southwestern U.S. We are communities working to restore and protect the natural and cultural environment through respectfully promoting intercultural engagement among communities and institutions for the benefit of all life and future generations.
Ava Curtis — Environmental Justice Coordinator
Ava Curtis joined MASE as our third environmental justice coordinator. She graduated from the University of Utah in 2025 with degrees in international studies and environmental studies. Previously she worked on environmental justice issues in Utah through her engagement with the Utah Sierra Club, where she has worked on uranium issues with the Ute Mountain Ute White Mesa community, legislative action in Congress and the Utah State Legislature, and led youth-focused programs.
Email: acurtis@swuraniumimpacts.org
Our Core Group of Alliances
MASE is a coalition of grassroots organizations working across impacted communities in New Mexico and Navajo Nation to address the legacy and ongoing harms of uranium mining and milling.
Our core groups include Laguna-Acoma Coalition for a Safe Environment (LACSE), Bluewater Valley Downstream Alliance (BVDA), Red Water Pond Road Community Association (RWPRCA), and Eastern Navajo Diné Against Uranium Mining (ENDAUM).