LEFT-CENTER BIAS
These media sources have a slight to moderate progressive/liberal bias. They often publish factual information that utilizes loaded words (wording that attempts to influence an audience by using appeal to emotion or stereotypes) to favor progressive/liberal causes. These sources are generally trustworthy for information, but may require further investigation. See all Left-Center sources.
- Overall, we rate the Boulder Reporting Lab as Left-Center biased based on political reporting and editorial positions that moderately favor the left. We also rate them High for factual reporting due to proper sourcing and a clean fact-check record.
Detailed Report
Bias Rating: LEFT-CENTER (-3.5)
Factual Reporting: HIGH (1.0)
Country: USA
MBFC’s Country Freedom Rating: MOSTLY FREE
Media Type: Organization/Foundation
Traffic/Popularity: Minimal Traffic
MBFC Credibility Rating: HIGH CREDIBILITY
History
Boulder Reporting Lab is a nonprofit news publication based in Boulder, Colorado. According to its about page, “Boulder Reporting Lab launched in November 2021 to fill a gap in Boulder-local, public interest daily journalism. We’re the only independent, 501(c)(3) nonprofit, digitally native news organization in our city and county.”
Boulder Reporting Lab subscribes to the standards of editorial independence adopted by the Institute for Nonprofit News, which currently has 450 members. The Institute for Nonprofit News (INN) is a consortium founded in 2009 to support nonprofit journalism focused on investigative and public service reporting.
Read our profile on the United States media and government.
Funded by / Ownership
Boulder Reporting Lab is a 501(c)(3) nonprofit organization supported by donations and grants.
Analysis / Bias
Boulder Reporting Lab engages in investigative journalism and community news reporting, often highlighting issues related to government transparency, social justice, and inequality concerns. Its reports focus on state politics and policy. Articles and headlines contain moderately loaded emotional language, such as this Boulder County approves new limits on large homes in unincorporated areas. All stories reviewed relied on credible sources such as government documents and outlets like the Associated Press.
Editorially, story selection and opinion pieces, such as Grassroots movement drives Boulder’s first-ever People’s Climate Justice Plan favor the left. They also promote social justice and environmental concerns, which are views favored by the left.
In general, the Boulder Reporting Lab is fact-based and holds moderately progressive viewpoints.
Failed Fact Checks
- None in the Last 5 years
Overall, we rate the Boulder Reporting Lab as Left-Center biased based on political reporting and editorial positions that moderately favor the left. We also rate them High for factual reporting due to proper sourcing and a clean fact-check record. (D. Van Zandt 04/23/2025)
Source: https://boulderreportinglab.org/
Last Updated on April 23, 2025 by Media Bias Fact Check
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Left vs. Right Bias: How we rate the bias of media sources

