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
New Book PDF: Pielke’s PerspectiveRoger’s 2015 book, now a PDF for paid subscribers.
New on THB
For Paid SubscribersEvery paid-only THB post in one place, updated weekly, plus a new page for Roger’s books.
New on THB
Forbes Column ArchiveRead Roger’s Forbes columns from 2019 and 2020, with his original charts.
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Search all THB PostsFind any post by word or topic, from the box under the latest posts.
THB on Substack
THB at 6!What a journey it has been
THB on Substack
Trump’s Carbon TaxThe president meets the “Iron Law”
Tropical Cyclones
Season to date65 named storms, 681.8 ACE — +18% 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
LatviaCO₂ intensity of GDP down 3.5%/yr since 2000 — 0.473 to 0.195 kg per $.
Blog Archives
OSTP AWOL?The website Office of Science and Technology Policy in the Executive Office of…
Substack Archive
The Climate Fix Book Club, Chapter 8The Politicization of Climate Science
Publications
Dangerous assumptionsA Nature commentary (with Wigley and Green) critiquing the IPCC's emissions scenarios for…
In the News
Trump Keeps a Biden Promise…Wall Street Journal
In the News
An Existential Threat to the Oil IndustryThe Atlantic
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 Free Press Press
Sep 2026
America Out Loud News 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.
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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 →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 two weeks, apart from the routine daily data updates.
Read THB on Substack →
