• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

RealClimate

Climate science from climate scientists...

  • Start here
  • Model-Observation Comparisons
  • Miscellaneous Climate Graphics
  • Surface temperature graphics
You are here: Home / Archives for Steve Koonin

Steve Koonin

Koonin’s Continuing Calumnies

7 Feb 2026 by Gavin 43 Comments

At a public event debating the DOE CWG report, Steve Koonin embarrasses himself further.

[Read more…] about Koonin’s Continuing Calumnies

Filed Under: Climate modelling, Climate Science, Featured Story, Instrumental Record, Model-Obs Comparisons, skeptics Tagged With: CMIP6, CWG, DOE, Scafetta, Steve Koonin

Melange à Trois

8 Jul 2025 by Gavin

In honor of the revelation today, that Koonin, Christy and Spencer have been made Special Government Employees at the Dept. of Energy, we present a quick round up of our commentary on the caliber of their arguments we’ve posted here over the last decade or so.

TL;DR? The arguments are not very good.

[Read more…] about Melange à Trois

Filed Under: Climate Science, Featured Story, In the News, Instrumental Record, Model-Obs Comparisons, Scientific practice Tagged With: John Christy, MSU, Roy Spencer, Steve Koonin

Primary Sidebar

Search

Search for:

Email Notification

get new posts sent to you automatically (free)
Loading

Recent Posts

  • EPA’s final* ruling on CO2
  • The Climate Science reference they don’t want Judges to read
  • Koonin’s Continuing Calumnies
  • Unforced variations: Feb 2026
  • 2025 Updates
  • A peek behind the curtain…

Our Books

Book covers
This list of books since 2005 (in reverse chronological order) that we have been involved in, accompanied by the publisher’s official description, and some comments of independent reviewers of the work.
All Books >>

Recent Comments

  • Nigelj on Unforced variations: Feb 2026
  • Atomsk's Sanakan on Unforced variations: Feb 2026
  • Ray Ladbury on Unforced variations: Feb 2026
  • Radge Havers on Unforced variations: Feb 2026
  • Barton Paul Levenson on EPA’s final* ruling on CO2
  • Ron R. on Unforced variations: Feb 2026
  • Ron R. on Unforced variations: Feb 2026
  • Ron R. on Unforced variations: Feb 2026
  • Data on Unforced variations: Feb 2026
  • Data on Unforced variations: Feb 2026
  • Nigelj on EPA’s final* ruling on CO2
  • Data on Unforced variations: Feb 2026
  • Data on Unforced variations: Feb 2026
  • Nigelj on EPA’s final* ruling on CO2
  • Data on Unforced variations: Feb 2026
  • Tomáš Kalisz on EPA’s final* ruling on CO2
  • Tomáš Kalisz on 2025 Updates
  • Nigelj on Unforced variations: Feb 2026
  • Ron R. on Unforced variations: Feb 2026
  • Piotr on Unforced variations: Feb 2026
  • Nigelj on Unforced variations: Feb 2026
  • Paul Pukite (@whut) on Unforced variations: Feb 2026
  • Ray Ladbury on EPA’s final* ruling on CO2
  • Secular Animist on EPA’s final* ruling on CO2
  • Piotr on 2025 Updates
  • Susan Anderson on Unforced variations: Feb 2026
  • Ron R. on Unforced variations: Feb 2026
  • Ron R. on Unforced variations: Feb 2026
  • JCM on Unforced variations: Feb 2026
  • Martin Smith on EPA’s final* ruling on CO2

Footer

ABOUT

  • About
  • Translations
  • Privacy Policy
  • Contact Page
  • Login

DATA AND GRAPHICS

  • Data Sources
  • Model-Observation Comparisons
  • Surface temperature graphics
  • Miscellaneous Climate Graphics

INDEX

  • Acronym index
  • Index
  • Archives
  • Contributors

Realclimate Stats

1,398 posts

15 pages

250,467 comments

Copyright © 2026 · RealClimate is a commentary site on climate science by working climate scientists for the interested public and journalists.