A major environmental decision is now locked in, with lingering questions about the process behind it

The National Nuclear Security Administration has finalized a site‑wide environmental impact statement for Los Alamos, shaping the lab’s path for years to come. Reviewers say the process raises important questions about how impacts were evaluated and what assumptions were made and how those choices may ripple through future oversight and planning. Joining me to explain where process missteps might affect future implementation is Dr. Dylan Spaulding, a senior scientist at the Union of Concerned Scientists.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.