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
Latest from The Honest Broker on SubstackSep 1, 2026
A growing climate scandal at the US National Academy of Sciences
Aug 29, 2026
Everyone wants to talk about climate change, the actionable causes lie elsewhere
Aug 25, 2026
The Trump administration proposes to amend NCA5. No amendment fixes that report — only Congress can restore integrity to…
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 Dispatch Press
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Washington Post Press
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Cleaning Up with Michael Liebreich Podcast
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Stossel Podcast
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Live sites tracking real data, updated on an ongoing basis.
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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A worldwide expansion of the US Extreme Weather and Climate Change Dashboard, tracking the same hazards globally.
Visit site → LiveCO₂ intensity of GDP and per-capita emissions by country, plus a calculator for the rates a given target requires.
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