AllSides gives Stimson Center a bias rating of Center. In July 2020, an AllSides editor conducted an independent review of Stimson Center and gave it a Center rating for its straightforward, unbiased coverage of environmental topics. A Center media bias rating does not necessarily mean a source is unbiased, neutral, perfectly reasonable, or credible. It simply means the source or writer rated does not predictably publish perspectives favoring either end of the political spectrum — conservative or liberal. According to their website, for three decades, Stimson has been a leading voice on urgent global issues. Founded in the twilight years of the Cold War, just months before the fall of the Berlin Wall, the Stimson Center pioneered practical new steps toward stability and security in an uncertain world. Today, as changes in power and technology usher in a challenging new era, Stimson is focused meeting this unique moment with new tools and a modern approach.