Advanced Nuclear: Impacts and Considerations

• Sarah Kallgren and April Higa
• Feb 25, 2026

This report is meant to inform readers about the current state of advanced nuclear power in the United States, existing federal regulation and incentives, and considerations around potential impacts of advanced nuclear on lands, waters, and the health of people and wildlife. It is structured as an educational document and does not advocate for or against any particular policies or regulations.

The National Wildlife Federation works on a broad suite of climate and clean energy solutions, with the ultimate goal of confronting the escalating climate crisis and realizing a world with thriving wildlife populations, resilient ecosystems, and sustainable communities. Our work to advance clean energy—which currently includes responsibly developed on- and offshore wind, solar, transmission, and next-generation geothermal—is grounded in collaboration, science, and meaningful community engagement.