Tag Archives: Intergovernmental Panel on Climate Change

The Lewis and Crok exposition – Climate less sensitive to Carbon Dioxide than most models suggest

Full papers plus additional comments from co-author Nic Lewis follow. I have added some relevant diagrams and tables from the report, plus reproduced the foreword by Dr. Judith Curry as well as updated the summary Equilibrium Climate Response Graph originally … Continue reading

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Posted in Climate News, Climate sensitivity, IPCC | Tagged , , , , , , , | 106 Comments

IPCC silently slashes its global warming predictions in the AR5 final draft

Guest essay by Christopher Monckton of Brenchley Unnoticed, the IPCC has slashed its global-warming predictions, implicitly rejecting the models on which it once so heavily and imprudently relied. In the second draft of the Fifth Assessment Report it had broadly … Continue reading

Posted in IPCC, IPCC AR5 Report | Tagged , , , , , , , | 173 Comments

Many Climate Reconstructions Incorrectly Attributed to Temperature Change.

Guest essay by Dr. Tim Ball The Intergovernmental Panel on Climate Change (IPCC) set climate research back thirty years, mostly by focusing world attention on CO2 and higher temperature. It was a classic misdirection that required planning. The IPCC was … Continue reading

Posted in IPCC, Paleoclimatology | Tagged , , , , , , , | 151 Comments

Oh say can you see modern sea level rise from a geological perspective?

Guest post by David Middleton Experts say the IPCC underestimated future sea level rise A new study surveys 90 sea level rise experts, who say sea level rise this century will exceed IPCC projections Wednesday 4 December 2013 John Abraham … Continue reading

Posted in Adjustments/Corrections, Al Gore, Alarmism, Antarctic, Arctic, Gravity, Greenland ice sheet, Hiatus in Global Warming, IPCC, IPCC AR5 Report, Paleoclimatology, Sea level | Tagged , , , , | 101 Comments

On the Futility of Long-Range Numerical Climate Prediction

Note: two events at AGU13 this morning dovetail in with this essay. The first, a slide from Dr. Judith Lean which says: “There are no operational forecasts of global climate change”. The second was a tweet by Dr. Gavin Schmidt, … Continue reading

Posted in Forecasting, Modeling | Tagged , , , , , , , | 265 Comments

Intelligence and the hockey stick

Guest essay by Christopher Monckton of Brenchley In 1990, the IPCC’s First Assessment Report showed a schematic demonstrating the then understanding that the medieval warm period had been appreciably warmer than the present and that the Little Ice Age had … Continue reading

Posted in Opinion | Tagged , , , , , , , | 67 Comments

IPCC’s Report on Climate Change: Myths & Realities

A World Meteorological Organization insider’s view of the IPCC report. Guest essay by Dr. S. Jeevananda Reddy Formerly Chief Technical Advisor – WMO/UN [A note to readers: English is not Dr. Reddy’s primary language. I have made some edits to … Continue reading

Posted in Agriculture, IPCC | Tagged , , , , , , , | 51 Comments

A Theory Ready for Extinction

Don’t worry too much over those warmist predictions that millions of species will soon be lost to climate change. Judging by their methods it is the doomsayers who are the real dodos Guest essay by Dr. David Stockwell Will climate … Continue reading

Posted in Extinction | Tagged , , , , , , , | 75 Comments

HARRIS and KHANDEKAR: Blaming the developed world for the forces of nature

By Tom Harris and Madhav Khandekar Originally published in The Washington Times Tuesday, December 3, 2013 Bad science puts rich nations on the hook for trillions in climate liabilities Delegates at the recent U.N. climate conference in Warsaw decided that … Continue reading

Posted in Climate News | Tagged , , , , , , , | 100 Comments

WG1 co-chair Thomas Stocker abandons IPCC principles

Thomas Stocker, the co-chair of IPCC WG1, has been discussed previously on this blog. On 26th November he gave a talk at Imperial College on the messages from the AR5 WG1 report. The headline of the write-up is “Act now … Continue reading

Posted in IPCC | Tagged , , , , , , , | 36 Comments

Mail wars: Heartland -vs- the AMS

There is a bit of a row that has developed over the recent American Meteorological Society survey of its membership on cause of climate change that gave a surprising result of only 52% of survey respondents answering Yes: Mostly human. … Continue reading

Posted in 97% consensus, Opinion | Tagged , , , , , , | 90 Comments

The Important Difference between Climatology and Climate Science

Why did the Royal Society need secret meetings? Guest essay by Dr. Tim Ball Recent events underscore problems with understanding climate and how the Intergovernmental Panel on Climate Change (IPCC) achieved their deception. Comments about my recent article appreciated it … Continue reading

Posted in Opinion, Science | Tagged , , , , , , , | 207 Comments

New paper: climate models short on ‘physics required for realistic simulation of the Earth system’

I’m pleased to have had a chance to to review this new paper just published in the Journal of Climate: An Evaluation of Decadal Probability Forecasts from State-of-the-Art Climate Models Suckling, Emma B., Leonard A. Smith, 2013: An Evaluation of … Continue reading

Posted in Modeling | Tagged , , , , , , , | 46 Comments

World agricultural output continues to rise, despite dire predictions of decline

Guest essay by Steve Goreham Originally published in The Washington Times The year 2013 has been a great year for global agriculture. Record world production of rice and healthy production of wheat and corn produced strong harvests across the world. … Continue reading

Posted in Agriculture | Tagged , , , , , , , | 94 Comments

The ‘worse than we thought’ model

From ETH Zurich: Underestimated future climate change? 25.11.2013 | Fabio Bergamin New model calculations by ETH researcher Thomas Frölicher show that global warming may continue after a stoppage of CO 2 emissions. We cannot rule out the possibility that climate … Continue reading

Posted in Carbon dioxide, Climate sensitivity, Modeling | Tagged , , , , , , , | 108 Comments

Stefan Rahmstorf and the consensus of experts on sea level -vs- reality, reality wins

From Stefan Rahmstorf and the Potsdam Institute for Climate Impact Research (PIK) Expert assessment: Sea-level rise could exceed 1 meter in this century In contrast, for a scenario with strong emissions reductions, experts expect a sea-level rise of 40-60 centimeters … Continue reading

Posted in Sea level | Tagged , , , , , , , | 92 Comments

On CO2 residence times: The chicken or the egg?

While some model based claims say that CO2 residence times may be thousands of years, a global experiment in measurable CO2 residence time seems to have already been done for us. By Christopher Monckton of Brenchley Is the ~10-year airborne … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 292 Comments

From 90% to 95% confidence level: How IPCC claims can be at the same time consistent and absurd.

We have been expecting too much from the IPCC about its confidence level increase: the explanation may actually be simple… and surprising. Guest essay by Stephane Rogeau Image: From IPCC FAQs Many people are wondering what actually made the IPCC … Continue reading

Posted in IPCC, IPCC AR5 Report | Tagged , , , , , , , | 95 Comments

Cowtan & Way off course

By Christopher Monckton of Brenchley This time last year, as the honorary delegate from Burma, I had the honor of speaking truth to power at the Doha climate conference by drawing the attention of 193 nations to the then almost … Continue reading

Posted in COP conferences, Cowtan & Way | Tagged , , , , , , , | 177 Comments

Warsaw COP19 report– there’s something in the water

Andy Pattullo reports, November 14, 2013, Warsaw This week UN delegates opened the current Warsaw Climate change Conference with hopes of engineering a renewed agreement to curb human-driven global warming just as effective as the last, however a new and … Continue reading

Posted in Humor, Satire | Tagged , , , , , | 67 Comments

Why and How the IPCC Demonized CO2 with Manufactured Information

Guest essay by Dr. Tim Ball Elaine Dewar spent several days with Maurice Strong at the UN and concluded in her book The Cloak of Green that, “Strong was using the U.N. as a platform to sell a global environment … Continue reading

Posted in Carbon dioxide, IPCC | Tagged , , , , , , , | 291 Comments

Who are the true denialists?

Guest essay by Professor Philip Lloyd People have the nasty habit of giving their opponents names.  Those who are convinced that humans are wrecking the world by burning fossil fuels call those who don’t believe them “denialists.” It implies that … Continue reading

Posted in IPCC, IPCC AR5 Report | Tagged , , | 92 Comments

‘Let’s face it. The climate has never been more boring.’

Why you won’t see headlines as climate science enters the doldrums Guest post by Dr. Robert G. Brown, Physics Department of Duke University (elevated from a  comment on this thread: RSS Reaches Santer’s 17 Years) This (17 years) is a … Continue reading

Posted in Opinion | Tagged , , , , , , | 177 Comments

Water Is Replacing Climate As The Next UN Environmental Resource Scare

Guest essay by Dr. Tim Ball The whole aim of practical politics is to keep the populace alarmed and hence clamorous to be led to safety by menacing it with an endless series of hobgoblins, all of them imaginary. – … Continue reading

Posted in hydroclimatology, IPCC, United Nations | Tagged , , , , | 154 Comments

A Sea Change for Climate Science?

By David Stockwell writing in Quadrant Online As CO2 climate models falter and even the IPCC backs off its estimates, it just may be that a radical shift in thinking is looming. Wouldn’t it be funny if it was the … Continue reading

Posted in Climate sensitivity | Tagged , , , , | 127 Comments

An ‘Uh Oh’ moment in Nature – IPCC Climate panel is ripe for examination

It is fitting this is published near Halloween time in Nature, because the IPCC is full of scare stories. IPCC: Climate panel is ripe for examination Mike Hulme & Martin Mahony Nature 502, 624  (31 October 2013) doi:10.1038/502624c Published online  … Continue reading

Posted in IPCC | Tagged , | 70 Comments

IPCC sea level exaggeration

NZCLIMATE TRUTH NEWSLETTER NO 319 by Vincent Gray, Wellington New Zealand Chapter 13 of the IPCC 5th WGI Report claims that sea level will rise by an amount between 0.26 to 0.97 metres by 2100 according to which of their … Continue reading

Posted in Sea level | Tagged , | 52 Comments

Commonsense Climate Science and Forecasting after AR5

Guest Essay by Dr. Norman Page 1.The Demise of the IPCC and the CAGW Delusion. a) Overview. In the AR5 Summary for Policymakers the IPCC glossed over  the developing cooling trend in global temperatures and so lost the last vestige of … Continue reading

Posted in Forecasting, IPCC, IPCC AR5 Report | Tagged , , , , , | 88 Comments

Epic Failure of the Canadian Climate Model

Guest Essay by: Ken Gregory The Canadian Centre for Climate Modeling and Analysis located at the University of Victoria in British Columbia submitted five runs of its climate model CanESM2 for use in the fifth assessment report of the International … Continue reading

Posted in Climate data, Modeling | Tagged , | 143 Comments

Lack of Data For All Phases of Water Guarantees Failed IPCC Projections

Guest essay by Dr. Tim Ball Lack of temperature data is a problem, but measures of water and precipitation are much worse. Temperature changes, especially cooling, are important to a degree over the long term. Precipitation changes are much more … Continue reading

Posted in IPCC AR5 Report | Tagged , , | 46 Comments

Radiative Forcing, Radiative Feedbacks and Radiative Imbalance – The 2013 WG1 IPCC Report Failed to Properly Report on this Issue

Guest essay by Roger A. Pielke Sr. Main Points 1. The difference in ocean heat content at two different time periods provides the global average radiative imbalance over that time [within the uncertainty of the ocean heat measurements] 2. This … Continue reading

Posted in IPCC, IPCC AR5 Report, Uncategorized | Tagged , , , , , | 151 Comments

FROM SCIENCE…TO ART…TO HYPOTHETICALS

The new RCPs are not projections, probabilities, prophecies or pathways – they might possibly be potentialities. Guest essay by Barry Brill The IPCC begins with science: “In sum, a strategy must recognise what is possible. In climate research and modelling, … Continue reading

Posted in IPCC, IPCC AR5 Report, Modeling | Tagged , , , , | 54 Comments

Life in a climate cataclysm box

Like hermit crabs, climate alarmists scramble to find new ways to hide, when put in a box Guest essay by Dennis M. Mitchell and David R. Legates As children playing on the beach, we discovered a fascinating behavioral pattern among … Continue reading

Posted in Alarmism, Climate News, Opinion | Tagged , , | 65 Comments

The good side of climate change

Why climate change is good for the world Don’t panic! The scientific consensus is that warmer temperatures do more good than harm By Matt Ridley: Climate change has done more good than harm so far and is likely to continue … Continue reading

Posted in Positive effects of CO2 | Tagged , , , | 61 Comments

There is only one published peer-reviewed paper that claims to provide scientific forecasts of long-range global mean temperatures

by Kesten C. Green, J. Scott Armstrong, and Willie Soon The human race has prospered by relying on forecasts that the seasons will follow their usual course, while knowing they will sometimes be better or worse. Are things different now? … Continue reading

Posted in Forecasting, IPCC | Tagged , , , | 118 Comments