Category Archives: IPCC

Why doesn’t the AR5 SOD’s climate sensitivity range reflect its new aerosol estimates?

Posted on December 19, 2012 by

This article is a detailed complement to Matt Ridley’s Op-Ed today in the Wall Street Journal: Cooling Down the Fears of Climate Change Evidence points to a further rise of just 1°C by 2100. The net effect on the planet … Continue reading →

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Posted in Aerosols, Climate sensitivity, IPCC, IPCC AR5 leak | Tagged , , , , , , , | 83 Comments

Dr. David Whitehouse on the AR5 figure 1.4

Posted on December 18, 2012 by

Dr. David Whitehouse of the GWPF expounds on the “prime statistic of global warming” graph and its failure, as first reported here. The Leaked AR5 Report And Global Temperature Whatever one’s view about the leaking of the draft IPCC AR5 … Continue reading →

Posted in IPCC, IPCC AR5 leak | Tagged , , , , , , , | 107 Comments

The roadmap less traveled

Posted on December 18, 2012 by

Guest post by Chris Horner Information continues to flow in the struggle to bail out the Hockey Team, piecing together the relevant “context” to ClimateGate. This pursuit is of critical importance to the Team, and “the cause”, given the solemn … Continue reading →

Posted in FOI, IPCC | Tagged , , , , , , , | 38 Comments

Another example of clear failure of IPCC models to predict reality in the AR5 draft

Posted on December 17, 2012 by

One of the regular alarm stories that comes from the global warming machine is that atmospheric methane with soon run amok and cause a tipping point. We are regularly treated to scare stories like this one from The Guardian on … Continue reading →

Posted in IPCC, IPCC AR5 leak, Methane | Tagged , , , , , | 151 Comments

A rebuttal to Steven Sherwood and the solar forcing pundits of the IPCC AR5 draft leak

Posted on December 16, 2012 by

Teaming up with Jo Nova to answer The Team down under: “Professor Sherwood is inverting the scientific method” Guest post by Alec Rawls My leak of the draft IPCC report emphasized the chapter 7 admission of strong evidence for solar … Continue reading →

Posted in Cosmic rays, IPCC, IPCC AR5 leak, Science | Tagged , , , , , , | 290 Comments

Another IPCC AR5 reviewer speaks out: no trend in global water vapor

Posted on December 14, 2012 by

New global water vapor findings contradict second draft of IPCC Assessment Report 5 (AR5) Guest post by Forrest M. Mims III I was an “expert reviewer” for the first and second order drafts of the 2013 Intergovernmental Report on Climate … Continue reading →

Posted in IPCC, IPCC AR5 leak | Tagged , , | 252 Comments

The real IPCC AR5 draft bombshell – plus a poll

Posted on December 14, 2012 by

Take a look at Figure 1.4 from the AR5 draft (shown below). The gray bars in Fig 1.4 are irrelevant (because they flubbed the definition of them), the colored bands are the ones that matter because they provide bounds for … Continue reading →

Posted in Climate data, IPCC, IPCC AR5 leak, Modeling | Tagged , | 372 Comments

IPCC statement on AR5 draft leak–full text

Posted on December 14, 2012 by

From: http://www.ipcc.ch/pdf/ar5/statement/Statement_WGI_AR5_SOD.pdf 2012/15/ST IPCC STATEMENT 14 December 2012 Unauthorized posting of the draft of the Working Group I contribution to the IPCC’s Fifth Assessment Report GENEVA, 14 December – The Second Order Draft of the Working Group I contribution to … Continue reading →

Posted in IPCC, IPCC AR5 leak | Tagged | 68 Comments

Worldwide reactions to the IPCC AR5 leak

Posted on December 14, 2012 by

UPDATE: The real bombshell of the report is now evident, see it here Below is a collection of reactions today to the IPCC AR5 leak on the website stopgreensuicide.com (now down) but also reported on WUWT here. Donna Laframboise, author … Continue reading →

Posted in IPCC, IPCC AR5 leak, Opinion | Tagged , | 57 Comments

IPCC AR5 draft leaked, contains game-changing admission of enhanced solar forcing – as well as a lack of warming to match model projections, and reversal on ‘extreme weather’

Posted on December 13, 2012 by

This post will remain at the top for a few days, new stories will appear below this one UPDATE1: Andrew Revkin at the NYT weighs in, and semi endorses the leak, see update below – Anthony UPDATE2: Alternate links have … Continue reading →

Posted in FOI, IPCC | Tagged , | 503 Comments

Claims Of More Severe Weather With Warming Are Based On IPCC Errors and Omissions

Posted on November 25, 2012 by

Guest post by Dr. Tim Ball The Intergovernmental Panel on Climate Change (IPCC) Reports are the ‘scientific’ source of claims for more severe and extreme weather. In fact the incidence and severity of extreme weather— hurricanes, wind storms, tornados, heat … Continue reading →

Posted in extreme weather, IPCC | Tagged , , , , | 44 Comments

Next IPCC report will ‘scare the wits out of everyone’

Posted on November 7, 2012 by

Former UN Official says climate report will shock nations into action John Gardner writes in with an entry from the “worse than we thought” department:

Posted in IPCC | Tagged , | 181 Comments

The IPCC weighs in on the Mann Nobel dilemma, and throws him under the bus

Posted on November 2, 2012 by

This statement was issued today from the IPCC, which appears to be inspired by the recent claims of Dr. Michael Mann in the lawsuit against NRO that we discussed here and here. The colored bold text in the paragraph below … Continue reading →

Posted in IPCC, Michael E. Mann, Satire | Tagged , , , , , , | 180 Comments

Scientific consensus revisited

Posted on October 22, 2012 by

Guest post by Juraj Vanovcan “You can fool all the people some of the time, and some of the people all the time, but you cannot fool all the people all the time.” – Abraham Lincoln –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– As of today, … Continue reading →

Posted in Consensus, IPCC | Tagged , , , , , | 45 Comments

The ‘secret’ IPCC Stocker WG1 memo – found!

Posted on October 4, 2012 by

You may recall that WUWT reported this on Sepetember 6th, 2012: Game on – NOAA’s refusal of documents earns them a lawsuit Over the last couple of days, CEI’s Chris Horner has been emailing me news of a FOIA request he … Continue reading →

Posted in FOI, IPCC, NCDC, NOAA | Tagged , , , , , , , | 68 Comments

How the IPCC handles ignores factual author corrections in AR4

Posted on September 13, 2012 by

Since the errors in IPCC AR3 were outed, there’s been this general view from the skeptical climate community at large and here on WUWT that the IPCC is collectively an elitist, pigheaded, organization, resistant to change.  Recall ‘Voodoo Science’, as … Continue reading →

Posted in IPCC, Ridiculae | Tagged | 36 Comments

Sign-up now open for expert review of AR5 (second order draft)

Posted on September 10, 2012 by

The second order draft of the next IPCC report will be open for expert and government review from October 5th to November 30th. Sign-up to participate is already open. The application is online at: https://sod.ipcc.unibe.ch/registration/

Posted in IPCC | Tagged , , | 36 Comments

Madrid 1995: Was this the Tipping Point in the Corruption of Climate Science?

Posted on September 6, 2012 by

Re-posted from BernieL at Enthusiasm, Scepticism & Science John Haughton writes of it under the heading: Meetings that Changed the World. He may be right but not only in the way he thinks. Here we consider whether this meeting in … Continue reading →

Posted in IPCC | Tagged , , , | 71 Comments

Empirical Model Of The Global Mean Surface Temperature

Posted on September 3, 2012 by

Cooling of the Multidecadal Cyclic GMST until about 2030’s suggests La Nina conditions will dominate in the next twenty years. Guest post by Girma Orssengo, PhD IPCC’s climate model prediction for a global warming of about 0.2 deg C per … Continue reading →

Posted in Climate data, IPCC | Tagged , | 75 Comments

AR5 Climate Forecasts: What to Believe

Posted on August 23, 2012 by

Guest post by Pat Frank The summary of results from version 5 of the Coupled Model Intercomparison Project (CMIP5) has come out. [1] CMIP5 is evaluating the state-of-the-art general circulation climate models (GCMs) that will be used in the IPCC’s … Continue reading →

Posted in Forecasting, IPCC, Modeling | Tagged , , , , , | 117 Comments