The discovery of Rocky Flats-derived plutonium in air-filter samples collected along Indiana Street has renewed concerns about plans to expand the Rocky Mountain Greenway trail system near the former nuclear weapons plant. The Rocky Mountain Greenway Project began in 2016 as an effort to connect three national wildlife refuges—Rocky Mountain Arsenal, Two Ponds and Rocky Flats—through a regional trail network. Plans include an underpass connecting the Rocky Flats National Wild

A 2024 joint submission to the Colorado State Board of Health calls for renewed scrutiny of Rocky Flats, including independent review, air monitoring, additional health research and greater public disclosure.

In 2012, LeRoy Moore and Robert Del Tredici published “Plutonium is forever,” an opinion piece raising concerns about residual plutonium contamination, the Jefferson Parkway and public recreation at Rocky Flats. More than a decade later, the article offers a historical perspective on questions about soil disturbance, public access and long-term stewardship that continue to surround Rocky Flats today.