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 InstituteProfessor Emeritus, University of Colorado Boulder
New THB US Deficit and Debt Explorer
New THB Build your own climate scenario
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.
Tropical Cyclones
Titled Chart DownloadsEvery chart saved from Global Tropical Cyclones now carries a title naming the chart, region and years.
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.
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.
New on THB
Search all THB PostsFind any post by word or topic, from the box under the latest posts.
THB on Substack
THB Weekend UpdateIt’s been a busy October - Some things you may have missed and what is…
THB on Substack
Can You Fix the US Federal Deficit and Debt?Introducing the THB US Deficit and Debt Explorer
Tropical Cyclones
Season to date69 named storms, 748.6 ACE — +22% vs the 1980–present average, #9 of 47 years.
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
PhilippinesCO₂ intensity of GDP down 1.3%/yr since 2000 — 0.483 to 0.346 kg per $.
Blog Archives
What's a University for? QuestioningIn the WSJ today University of Chicago President Robert J. Zimmer has a strong…
Substack Archive
Pielke's Weekly Memo #18A Trip on the Thames and My Oxford Lecture
Publications
Confronting disaster lossesA Science policy commentary on disentangling any climate-change signal in rising disaster…
In the News
Roger Pielke Jr. joining from France after experiencing some of the Paris riotsThe Ross Kaminsky Show, KOA
In the News
10-20-26 *INTERVIEW* Roger Pielke Jr Joining From France After Experiencing Some of the Paris Riots - The Ross Kaminsky Show - iHeartiHeart
Latest from The Honest Broker on SubstackOct 24, 2026
It’s been a busy October - Some things you may have missed and what is coming soon
Oct 22, 2026
Introducing the THB US Deficit and Debt Explorer
Oct 19, 2026
A new THB Food Price Burden Index
Making Sense of Science in Policy and Politics
Buy on Amazon →
What Scientists and Politicians Won't Tell You About Global Warming
Buy on Amazon →
Disasters and Climate Change (2nd ed.)
Buy on Amazon →
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.
Visit site →
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 →The most recent update at each site, apart from the routine daily data updates.
Read THB on Substack →
