• 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 44 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

  • The Puzzling Pleistocene
  • How robust is our accelerometer?
  • Unforced Variations: Mar 2026
  • EPA’s final* ruling on CO2
  • The Climate Science reference they don’t want Judges to read
  • Koonin’s Continuing Calumnies

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

  • JCM on Unforced Variations: Mar 2026
  • MA Rodger on Unforced Variations: Mar 2026
  • Atomsk's Sanakan on How robust is our accelerometer?
  • Tomáš Kalisz on The Puzzling Pleistocene
  • Ron R. on Unforced Variations: Mar 2026
  • Nigelj on Unforced Variations: Mar 2026
  • Nigelj on Unforced Variations: Mar 2026
  • Piotr on The Puzzling Pleistocene
  • Tomáš Kalisz on The Puzzling Pleistocene
  • Paul Pukite (@whut) on Unforced Variations: Mar 2026
  • Ron R. on Unforced Variations: Mar 2026
  • Ron R. on Unforced Variations: Mar 2026
  • Ray Ladbury on Unforced Variations: Mar 2026
  • Radge Havers on Unforced Variations: Mar 2026
  • Paul Pukite (@whut) on Unforced Variations: Mar 2026
  • Piotr on Unforced Variations: Mar 2026
  • Piotr on The Puzzling Pleistocene
  • Radge Havers on EPA’s final* ruling on CO2
  • Pete Best on How robust is our accelerometer?
  • MA Rodger on How robust is our accelerometer?
  • MA Rodger on How robust is our accelerometer?
  • Martin Smith on Unforced Variations: Mar 2026
  • Ron R. on Unforced Variations: Mar 2026
  • b fagan on The Climate Science reference they don’t want Judges to read
  • patrick o twentyseven on Unforced Variations: Mar 2026
  • patrick o twentyseven on Unforced Variations: Mar 2026
  • Nigelj on Unforced Variations: Mar 2026
  • Karsten V. Johansen on Unforced Variations: Mar 2026
  • patrick o twentyseven on EPA’s final* ruling on CO2
  • Karsten V. Johansen on Unforced Variations: Mar 2026

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

1,401 posts

15 pages

251,008 comments

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