
Making sense of science, policy, and politics.
Senior Fellow, American Enterprise Institute
Professor Emeritus, University of Colorado Boulder
New Publications: Peer-Reviewed Articles and Commentary
New THB US Deficit and Debt Explorer
New on THB
Publications: Research and CommentaryRoger’s peer-reviewed articles, with free PDFs where available, and his op-eds and columns by year, in the new Publications menu.
New on THB
Debt Explorer: Dollars or Share of GDPAt readers’ request, the THB US Deficit and Debt Explorer now shows its results as a share of GDP, in dollars or in inflation-adjusted dollars.
In the Media
The Dispatch: Extreme Weather Shouldn’t Be a Political FootballRoger on the quick claims, after each disaster, that extreme weather is or isn’t getting worse.
New on THB
Cleaner Charts on Every ScreenChart labels clear of bars, axes and edges, and pages that fit a phone screen, across THB and all four dashboards.
New on THB
THB US Deficit and Debt ExplorerFederal deficits and debt under chosen economic and policy assumptions, beside CBO’s February 2026 baseline for the coming decade.
THB on Substack
The Stern Review’s $2.8 Trillion MissTwenty years ago it projected rapidly escalating disaster losses. They…
THB on Substack
China and the Endless FrontierLessons of a new science policy report from China for US policy makers
US Extreme Weather
Drought28.7% of the CONUS in severe-or-worse drought — 300th of 1,399 weeks since 2000.
Global Extreme Weather
Drought25.1% of global land in severe-or-worse drought — 10th of 569 months since 1979.
Decarbonization
PortugalCO₂ intensity of GDP down 2.7%/yr since 2000 — 0.318 to 0.161 kg per $.
Blog Archives
Propaganda Syllabus: Fact CheckingThis is the latest installment in my ongoing project to create a syllabus for a…
Substack Archive
Can Climate Policy Change the Weather?Assume climate policy succeeds, when we will detect the results
In the News
Trump’s Energy Council Is a Massive ShamThe New Republic — Roger on the National Energy Dominance Council: “It’s…
In the News
Roger Pielke Jr. joining from France after experiencing some of the Paris riotsThe Ross Kaminsky Show, KOA
Latest from The Honest Broker on SubstackOct 29, 2026
Twenty years ago it projected rapidly escalating disaster losses. They didn’t happen.
Oct 26, 2026
Lessons of a new science policy report from China for US policy makers
Oct 24, 2026
It’s been a busy October - Some things you may have missed and what is coming soon

Making Sense of Science in Policy and Politics
Buy on Amazon →
What Scientists and Politicians Won't Tell You About Global Warming
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Disasters and Climate Change (2nd ed.)
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The War Against Cheating and Corruption in the Cutthroat World of Elite Sports
Buy on Amazon →
The Dispatch Press
Oct 2026
The Free Press Press
Sep 2026
Cleaning Up with Michael Liebreich Podcast
Jun 2026
Stossel Podcast
May 2026
Six public dashboards, each with its own data sources and its own update schedule.
Live hurricane and tropical cyclone data, tracked against the historical record.
View here →
Trend analysis across tornadoes, hail, drought, streamflow, wildfire, and more.
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The same hazards as the US dashboard, worldwide.
Visit site →CO₂ intensity of GDP and per-capita emissions by country, with a calculator for the rate any target needs.
Visit site →Set eight assumptions and build an emissions scenario, against the record and the seven CMIP7 marker scenarios.
Visit site →Set economic and policy assumptions (productivity, labor force participation, immigration, interest rates, taxes, Social Security, health programs and more) and compare the resulting federal deficits and debt with CBO's February 2026 baseline for fiscal years 2027 through 2036.
View here →New pages, new features and corrections across THB and its dashboards over the past week, apart from the routine daily data updates.