Roger Pielke Jr.
Making sense of science, policy, and politics.
Senior Fellow, American Enterprise Institute · 
Professor Emeritus, University of Colorado Boulder
Making sense of science, policy, and politics.
Senior Fellow, American Enterprise Institute · Professor Emeritus, University of Colorado Boulder
New THB Build your own climate scenario
New on THB
Forbes Column ArchiveRead Roger’s Forbes columns from 2019 and 2020, with his original charts.
New on THB
Search all THB PostsFind any post by word or topic, from the box under the latest posts.
THB on Substack
Fool Us OnceA Trojan Horse effort to place RCP8.5 back at the center of climate science…
THB on Substack
The Economic Costs of the Iran War: THB Sept UpdateHow much Americans are paying for the war in fuel, taxes, and interest
Tropical Cyclones
Season to date65 named storms, 658.9 ACE — +17% vs the 1980–present average, #10 of 47 years.
US Extreme Weather
Drought33.6% of the CONUS in severe-or-worse drought — 145th of 1,395 weeks since 2000.
Global Extreme Weather
Drought25.1% of global land in severe-or-worse drought — 10th of 569 months since 1979.
Decarbonization
LithuaniaCO₂ intensity of GDP down 3.8%/yr since 2000 — 0.493 to 0.185 kg per $.
Blog Archives
Why is BG17 So Crucial in the World Athletics Regulations for Female Eligibility?This post is a more detailed follow -up to my Substack post on the remarkable…
Substack Archive
What Did We Expect Would Happen?THB Insider #20 - My Oslo talk on how science became so political in the United…
Publications
Nine fallacies of floodsIdentifies nine common misconceptions that recur in flood-policy and flood-management debates.
In the News
An Existential Threat to the Oil IndustryThe Atlantic
In the News
Antitrust Lays an EggWall Street Journal
Latest from The Honest Broker on SubstackSep 23, 2026
A Trojan Horse effort to place RCP8.5 back at the center of climate science and policy
Sep 22, 2026
How much Americans are paying for the war in fuel, taxes, and interest
Sep 17, 2026
How a turnkey method attributes any trend to climate change
Making Sense of Science in Policy and Politics
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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
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The Free Press Press
Sep 2026
America Out Loud News Press
Sep 2026
Cleaning Up with Michael Liebreich Podcast
Jun 2026
Stossel Podcast
May 2026
Five public dashboards, each with its own data sources and its own update schedule.
Live hurricane and tropical cyclone data, tracked against the historical record.
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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 →New pages, new features and corrections across THB and its dashboards over the past week, apart from the routine daily data updates.
Read THB on Substack →
