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John Dale Dunn

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John Dale Dunn, M.D., J.D., is an emergency physician in Brownwood, Texas. He is board-certified in emergency medicine and legal medicine and has been an inactive attorney for 35 years.

John Dale Dunn, M.D., J.D., is an emergency physician in Brownwood, Texas. He is board-certified in emergency medicine and legal medicine and has been an inactive attorney for 35 years. He has conducted research, scholarship, and advocacy on environmental science and policy issues for 25 years. Areas of professional and scholarly interest include human toxicology and epidemiology, scientific legal evidentiary issues, ethics, and research methodology. Dunn has made presentations at several International Conferences on Climate Change, is a con­tributor to Heartland publications, and actively blogs at

Recent Articles and Publications

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October 8, 2018
By John Dale Dunn, Joseph Bast
On October 8, the IPCC released a special report on the alleged impacts of global warming. Three days earlier, NIPCC released the Summary for Policymakers of its own forthcoming report. The two reports tell dramatically different stories.
June 20, 2018
By John Dale Dunn, Peter Ferrara
'We applaud this proposed rule and find that governing statutes and Executive Orders, not to mention the basics of the scientific method, authorize the proposed Rule and, indeed, have long required it.'
October 13, 2017
By Tim Huelskamp, Ph.D., Peter Ferrara, S. T. Karnick, Heartland Staff, Jane M. Orient, M.D., John Dale Dunn, Roger Beauchamp , Hal Scherz, Michael J. Koriwchak , Chad Savage, Devon Herrick, Scott Ehrlich, Dave Racer, Kathleen Brown , Twila Brase
"Attention Congress, this is what leadership looks like." - Tim Huelskamp
June 22, 2017
By Matthew Glans, Jeff Stier, John Dale Dunn
"Treating e-cigarettes like cigarettes can’t possibly lower exposure to secondhand smoke, because there is no secondhand smoke from e-cigarettes." - Jeff Stier
March 1, 2017
By Jim Lakely, Robert Genetski, Bette Grande, S. T. Karnick, David L. Applegate, H. Sterling Burnett, Jesse Hathaway, Michael Hamilton, Jane M. Orient, M.D., Bruno Behrend, Lennie Jarratt, Isaac Orr, Tom Harris, John McAdams (1945 - 2021), Terry Stoops, Joe Cobb, Christopher Garbacz, James H. Rust, John Dale Dunn, Clifford Thies, Sandra Stotsky, Kenneth Haapala
"President Trump’s speech should help him gain public support for his programs. Inviting Democrats to put petty politics aside and work with him for the good of the country was a reasonable request." - Robert Genetski
September 6, 2016
By John Dale Dunn
The United States Environmental Protection Agency (EPA), has been conducting experiments banned by international and domestic law exposing people to air pollution the EPA claims to be toxic or lethal.
August 14, 2016
By John Dale Dunn, Gerard Gianoli, M.D.
Heartland Policy Advisors John Dale Dunn and Gerard Gianoli debunk a widely publicized report by alarmists claiming medical error is the third-leading cause of death in the United States.
December 26, 2011
By John Dale Dunn, Jerome Arnett
The Patient Protection and Affordable Care Act (PPACA, ACA, or "Obamacare"), signed into law March 2011, in the near term creates more than 100 new health care bureaucracies, a large increase in taxes, and new government expenses of $500 billion.

2018 By the Numbers

See what sets Heartland apart:
82% of state elected officials read Heartland publications
of state elected officials read one or more Heartland newspapers "sometimes" or "always."
45% of elected officials say Heartland led to a change in policy
of state elected officials say a Heartland publication influenced their opinions or led to a change in public policy.
3.2 Million
the number of times Heartland's six podcasts were downloaded in 2018
184 issues
of weekly e-newsletters sent to subscribers across the country
158 events
that Heartland hosted, attended, or spoke at, reaching over 34,000 guests in 2018.
100,000 fans
on Facebook posting and reposting over 1 million times a week