Author Archives: Guest Blogger

The Greatest Climate Myths of All – Part 1

Guest essay by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University and author of Landscapes & Cycles: An Environmentalist’s Journey to Climate Skepticism At the website deceptively named SkepticalScience, they list “Climate Changed Before” as the … Continue reading

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Posted in Climate Myths | 48 Comments

Sea Levels are Never Still

By Viv Forbes, Rosewood Qld Australia Sea levels have been rising and falling without any help from humans for as long as Earth’s oceans have existed. The fastest and most alarming sea changes to affect mankind occurred at the end … Continue reading

Posted in Climate News, Opinion, Sea level | 96 Comments

Pacific Leaders Worried About ‘Climate Gravy Train’ – Criticise Aussie PM Tony Abbott’s Apostacy

Story submitted by Eric Worrall From Australia Network News: Pacific presidents speak out against Australia’s stand on climate change Leaders of small Pacific nations have spoken out against Tony Abbott’s efforts to organise a global coalition against Obama’s climate push. … Continue reading

Posted in Climate News | 61 Comments

$260 / ton for carbon – the price of salvation

Lord Stern: Models ‘grossly underestimate’ costs of global warming Submitted by Eric Worrall Lord Stern, the British Academic who prepared the “Stern Review” on global warming for Prime Minister Tony Blair, has just claimed a carbon price of up to … Continue reading

Posted in Carbon credits | 77 Comments

Standard Deviation, The Overlooked But Essential Climate Statistic

Guest essay by Dr Tim Ball Never try to walk across a river just because it has an average depth of four feet. Martin Friedman “Statistics: The only science that enables different experts using the same figures to draw different … Continue reading

Posted in statistics | 118 Comments

Stunning admission – and a new excuse for ‘the pause’ – ‘lousy data’

“The Models didn’t have the skill we thought they had…” Guest essay by Eric Worrall The Guardian, a prominent green UK daily newspaper, reports that scientists have given up on surface temperature as a measure of global warming: Stephen Briggs … Continue reading

Posted in Climate data, Climate News, Hiatus in Global Warming | 259 Comments

Comparison between global surface temperature anomaly datasets – Take 2

Guest essay by David Dohbro Recently WUWT published my comparison of several different land-based and satellite-based global surface temperature anomaly (GSTA) datasets (1, and data sets’ descriptions and references therein). However, my analysis was critiqued for not using the same … Continue reading

Posted in Climate data | 34 Comments

The temperature forecasting track record of the IPCC

Guest essay by Euan Mearns of Energy Matters In geology we use computer models to simulate complex processes. A good example would be 4D simulation of fluid flow in oil and gas reservoirs. These reservoir models are likely every bit … Continue reading

Posted in IPCC | 84 Comments

The Botox generation explanation for climate change fear

Guest essay by Charles Battig “The only thing we have to fear is change itself” Climate change is heralded as a most pressing challenge and potential danger to mankind. Many politicians have responded to an outpouring of writings by scientists … Continue reading

Posted in Alarmism, Opinion | 32 Comments

John Holdren’s ‘personal’ Bi-Polar Vortex video

OSTP rules Holdren’s video released by the White House was “personal opinion” and therefore not subject to Data Quality Act. Guest essay by Sam Kazman  Back in January, in the midst of one incredibly cold winter, John Holdren, Director of … Continue reading

Posted in Government idiocy, Vortex | 110 Comments

China and CO2

Guest essay by David Archibald While in Beijing early this year US Secretary of State John Kerry announced that China and the US, the world’s largest emitters of such gases, had agreed to intensify information-sharing and policy discussions on their plans … Continue reading

Posted in Carbon dioxide, Climate News | 57 Comments

Why Automatic Temperature Adjustments Don’t Work

The automatic adjustment procedure is almost guaranteed to produce spurious, artificial warming, and here’s why. Guest essay by Bob Dedekind Auckland, NZ, June 2014 In a recent comment on Lucia’s blog The Blackboard, Zeke Hausfather had this to say about … Continue reading

Posted in Climate data | 166 Comments

Beware of false Prophets

By Charles Battig, M.D. Positive public perception of the scientist has long been powerful.  The public has the tendency to defer to scientists, as it does to authority in general.  It is part of the educational and socialization process inherent … Continue reading

Posted in Alarmism, Science | 41 Comments

Sensitivity? Schmensitivity!

Even on business as usual, there will be <1° Kelvin warming this century By Christopher Monckton of Brenchley Curiouser and curiouser. As one delves into the leaden, multi-thousand-page text of the IPCC’s 2013 Fifth Assessment Report, which reads like a … Continue reading

Posted in Climate News | 145 Comments

Why Climate Change Doesn’t Scare Me

Guest essay by Walter Starck Be scared, the experts tell us, be very scared. Well there is certainly cause for concern, but not about those “rising” temperatures, which refuse to confirm researchers’ computer models. A far bigger worry is the … Continue reading

Posted in Climate_change, Opinion | 108 Comments

Antarctic Sea Ice Increase and Global Warming

by Norm Buske Although I am a long-time, casual skeptic of global warming, I agree that evidence of severe, largely anthropogenic warming of the Northern Thermal Hemisphere (NTH) is compelling. The warming of the NTH explains progressive loss of Arctic … Continue reading

Posted in Antarctic, Arctic | 126 Comments

Which is responsible for more U.S. deaths — Excessive Heat or Excessive Cold?

Dr. Indur Goklany writes: Earlier today on WUWT in the post, UHI and Heat Related Mortality, a researcher from Arizona claims that, “Extreme heat is the leading weather-related killer in the United States.”  I am afraid that this piece of … Continue reading

Posted in Cold wave, Economy-health, heat wave | 63 Comments

To President Obama: Let’s just assume for a moment we have a climate crisis

As we start hurricane season today, we note the unprecedented 3142 day drought of major hurricane landfalls, shattering a record that goes back to the year 1900. Guest essay by Paul Driessen Despite clear evidence to the contrary, president Obama … Continue reading

Posted in hurricanes, Modeling, Opinion, Politics | 40 Comments

Carbon dioxide won’t cause famines

In fact, more atmospheric CO2 will spur crop growth – if we let it Guest essay by Dennis T. Avery Historian Geoffrey Parker is the author of Global Crisis: War, Climate Change and Catastrophe in the 17th Century. In a … Continue reading

Posted in Agriculture, Opinion, Positive effects of CO2 | 37 Comments

How not to ride a climate camel

By Christopher Monckton of Brenchley In response to an earlier posting showing a picture of me with a camel, George E. Smith asked “Where did you get yourself the horse of a different color? Is it as difficult to ride … Continue reading

Posted in Humor | 59 Comments

Large Volcanic Eruption in Indonesia – This year’s excuse for ‘the pause’?

Eric Worrall writes: The volcano Mount Sangeang Api in the Lesser Sunda Islands has just erupted, sending a huge ash cloud 12 miles into the air. Wikipedia describes Sangeang Api as a volcano complex with 2 active cones, Doro Api … Continue reading

Posted in Hiatus in Global Warming, Volcanoes | 183 Comments

The myth of the 97% climate change consensus

What is the origin of the false belief – constantly repeated by President Obama, the media and others – that almost all scientists agree about global warming? Claims continue to be made that “97% of scientists agree that climate change … Continue reading

Posted in Climate News | 119 Comments

Glacial Inception: the climatic ‘madhouse’

Guest essay by William McClenney Abstract: I used to think there was only one known substitute for intelligence – stupidity. I have since realized that I left out evil (see Hitler et al). I have also come to the conclusion … Continue reading

Posted in Glaciers, Global cooling, Paleoclimatology | 100 Comments

IPCC findings dispute ABC, CBS, NBC and BBC alarmist and flawed Antarctica sea level rise claims

Guest essay by Larry Hamlin IPCC report shows Antarctica has “negative contribution to sea level” over the 21st century The recent ridiculous and scientifically flawed media claims of large Antarctica related sea level rise impacts due to “unstoppable” glacier ice … Continue reading

Posted in Alarmism, Antarctic, Sea level | 45 Comments

Freedom From Information Act (FFIA)

Guest essay by Charles Battig No, that is not a mistake. FFIA is the unofficial, but real operative world of bureaucracy, which has its own interpretation of the official Freedom of Information Act (FOIA). For those who have wished to … Continue reading

Posted in FOI | 27 Comments

Antarctica climate alarmism frenzy revisited – ill-informed, exaggerated and erroneous media claims galore

Sea level rise increase 1/2 thickness of human fingernail crates media “sea level rise alert” panic Guest essay by Larry Hamlin  During May three new scientific papers appeared addressing results of studies of Antarctica ice loss which sent the alarmist … Continue reading

Posted in Alarmism, Antarctic, media, Sea level | 67 Comments

Steve Burnett’s Hard vs. the Soft Sciences Essay; An Ongoing Debate Central To Climate

Guest essay by Dr. Tim Ball Steve Burnett’s “Hard vs. the Soft Sciences” essay is interesting but misses the problem in studying climate and other generalist areas in an era of specialization. It also misses information about the nature of … Continue reading

Posted in Opinion, Science | 71 Comments

Climate alarmists make major blunder in reporting Antarctica ice loss results

Guest essay by Larry Hamlin Total ice loss from latest study is “consistent” with, not “double” prior study measurements Numerous recent climate alarmist articles addressing the recent study results reported for the new CryoSat-2 radar altimeter satellite methodology with increased … Continue reading

Posted in Alarmism, Antarctic | 75 Comments

Hard vs. the Soft Sciences

Guest essay by Steven Burnett This is an essay regarding the fundamental differences between the hard and soft sciences. While I don’t emphasize climatology much in the essay, I believe this may provide some insight into the chasm of evidence … Continue reading

Posted in Science | 108 Comments

AP misleads the public, again, saying man made global warming worsens wildfires

Guest essay by Larry Hamlin: Study claimed by climate fear press to support these claims addresses many contributing factors The climate fear media is at it again this time alleging claims that a new study shows that global warming is … Continue reading

Posted in Alarmism, Climate News, Wildfires | 33 Comments

Mann’s new AMO paper: ‘Had I been a reviewer, I would have pointed this out and recommended rejection. ‘

Mann’s new paper recharacterizing the Atlantic Multidecadal Oscillation A guest post by Nic Lewis Introduction Michael Mann has had a paper on the Atlantic Multidecadal Oscillation (AMO) accepted by Geophysical Research Letters: “On forced temperature changes, internal variability, and the … Continue reading

Posted in Michael E. Mann, Peer review | 100 Comments

The Climate Wars and the University of Delaware

Guest essay by Jan H. Blits May a public university manipulate a Freedom of Information (FOIA) request of a faculty member in an effort to squelch the politically incorrect side in the on-going climate wars?

Posted in FOI | 43 Comments

A comparison between global surface temperature and satellite anomaly datasets

UPDATE: This post was properly criticized for being an incomplete analysis, see this update and note to readers below about why it was incomplete. Guest Essay By David Dohbro. Comparing five monthly datasets since 1979. Three land-based data sets consistently … Continue reading

Posted in Climate News | 34 Comments

Why don’t we all just agree on Global Warming?

Guest Essay by Kip Hansen David Victor, in a presentation in January at the Scripps Institution of Oceanography as part of a seminar series titled “Global Warming Denialism: What science has to say”, fairly recently highlighted here at Andy Revkin’s … Continue reading

Posted in Climate reconciliation | 197 Comments

Dial M for Maunder

Guest essay by David Archibald The Maunder Minimum was not completely devoid of sunspots, as shown by the following graphic using data from SIDC. Will global warming be attenuated due to our current low solar activity?

Posted in Solar | 109 Comments