New warning signs near trail entrances to the Rocky Flats National Wildlife Refuge are bringing renewed attention to the site's nuclear history and the continuing debate over public access. 9NEWS reports that the bright yellow signs prominently display the radiation symbol and warn visitors that entering the Rocky Flats National Wildlife Refuge “may expose you to radioactive materials.” The signs also provide historical context about the former Rocky Flats Plant, where pluton

In January 2012, longtime Rocky Flats researcher and activist LeRoy Moore and photographer Robert Del Tredici published an opinion piece in the Boulder Daily Camera titled “Plutonium is forever.” Moore later preserved the article on his Rocky Flats blog, where it remains available today. More than a decade later, the piece provides an important historical perspective on concerns surrounding Rocky Flats, the proposed Jefferson Parkway and opening the Rocky Flats National Wildl