Climate Revisionism 101 : “We Have To Get Rid Of The Medieval Warm Period”

WHEN you are a man-made global warming alarmist prosecuting your case as “unprecedented”, you need to make sure that no recent climate era was as warm or warmer than the present, even if that means having to rewrite the past to fit your theory.

THE Medieval Warm Period, also known as the Medieval Climate Optimum (for obvious reasons) existed a short time ago in the climate record, from c. 950 to c. 1250., and has remained a thorn in the side for modern “global warming” catastrophists…

IN the 1990 IPCC report, the Medieval Warm Period was much warmer than the late 19th century:

THE IPCC’s 1990 report dives deeper into the reality of the Medieval Warm Period and provides an insight into the cause of these warming periods:

“This period of widespread warmth is notable in that there is no evidence that it was accompanied by an increase of greenhouse gases.

IPCC WG1 Report 1990 (p202)

BY the 2001 IPCC report, the Medieval Warm period disappeared and became much cooler than the late 20th century:


BY pure coincidence, in the year 1995 the IPCC made a decision to make the Medieval Warm Period disappear:

Screen Shot 2013-11-27 at , November 27, 2.30.47 PM

YOUTUBE clip of Dr David Deming’s US Senate testimony on the “disappearance” of the Medieval Warm Period (see 01m:50s) :

Video of Dr David Deming’s statement to the U.S. Senate Committee on Environment & Public Works on December 6, 2006. Dr Deming reveals that in 1995 a leading scientist emailed him saying “We have to get rid of the Medieval Warm Period”. A few years later, Michael Mann and the IPCC did just that by publishing the now throughly discredited hockey stick graph.

IN case you missed it…

“I had another interesting experience around the time my paper in Science was published. I received an astonishing email from a major researcher in the area of climate change. He said, “We have to get rid of the Medieval Warm Period.””

The existence of the MWP had been recognized in the scientific literature for decades. But now it was a major embarrassment to those maintaining that the 20th century warming was truly anomalous. It had to be “gotten rid of.””

Statement of Dr. David Deming | U.S. Senate Committee


ACCORDING to ‘science’, the Medieval Warm Period was indeed ‘global’ and was as warm, if not warmer, than today’s current warming period…

CLICK here for interactive map




See also :


via @BigJoeBastardi | Twitter


MWP related :

Peer Review studies that show the Medieval Warm Period was indeed global and as warm, if not warmer than todays temps…

Climatism related :



“HOTTEST YEAR EVAH” Claims Tell Us More About Global Warming PR Than Actual Science

heat wave in the city and hand showing thermometer



THE “Hottest Year Ever” meme is just one in a long line of marketing techniques used by Climate Crisis Inc. to make you believe the world is burning up.

HOW much of these claims are scientific, versus, pure-propaganda designed to heighten alarm on a publicly waning issue – catastrophic anthropogenic global warming (CAGW)? A *theory* whose veracity is becoming increasingly questioned by contradictory science, real-world observations and growing public and media awareness of the disturbing trend of temperature data manipulation by our most ‘trusted’ scientific agencies.

THE brilliant Paul Driessen nails it in a foreword to an excellent post on WUWT by Dr. Tim Ball and Tom Harris – “Overheated claims on temperature records

Overheated claims on global temperature records

Foreword by Paul Dreissen

Over and over, we are confronted with claims that last month or last year was “the warmest on record.” Each claim is accompanied by dire warnings that the alleged new records portend “unprecedented” chaos for wildlife, humans and planet.

Virtually never do these scary press releases mention:

  • That the supposed change is mere hundredths of a degree higher than previous measurements.
  • Never do they admit that the margin of error in these measurements is far greater than the supposed increase.
  • Never do they suggest that a little more warmth would be infinitely better than a colder world, with less arable land and shorter growing seasons.
  • And most certainly, never do they admit to the massive deficiencies in the system that supposedly tracks Earth’s temperature … and
  • Always blames any increases on humans and fossil fuels.

This article by Dr. Tim Ball and Tom Harris points out all these highly relevant but often (deliberately) ignored realities.

(Climatism bullets/bolds)

READ the excellent Ball / Harris article here…


PLEASE Tip The Climatism Jar To Help Keep The Good Fight Alive! TQ…

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Related :

TOP 10 Climate Change Lies Exposed

Global Warming HOAX.jpg

WITHOUT a shadow of a doubt, the greatest scientific hoax ever perpetrated against mankind is that human’s modern life (including your sandwich) is causing catastrophic “climate change” or “global warming” or “climate disruption” or “climate breakdown”, depending on the day and the activist concerned.

THIS must watch 5 minute video, backed up by peer-reviewed-scientific-evidence and verifiable government data, exposes the climate fraud rather masterfully…

Top 10 Climate Change Lies Exposed – YouTube


Related :


The “HOTTEST YEAR EVAH” Meme Exposed


AS the old saying goes “Sunlight is said to be the best of disinfectants“. One man who has been tireless and paid-less (sic) in the pursuit of exposing the blatant and unequivocal  global temperature data fraud, executed by taxpayer funded government scientific agencies worldwide, has been Tony Heller aka Steve Goddard.

THERE are literally thousands upon thousands of mind-blowing examples of temperature data manipulation/fraud carried out in-plain-sight by climate activist agencies namely – NOAA, NASA, BoM, Met Office UK – who happen to be the literal gate-keepers of global temperature. They do this simply to make you believe that the climate is warming catastrophically thanks to your carbon dioxide (energy) emissions.

THE blink giff included in this post is really all one needs to know about how climate scientists literally “change the data to fit the theory” – a quote linked to Hungarian Marxist Georg Lukacs in his ‘Tactics and Ethics’ (1923) though often associated with Albert Einstein as a non-literal quip.

OTHER than driving the climate scare and maintaining taxpayer funding to the tune of $Trillions worldwide, hysterical claims of the “hottest year, month, day ever” tell us far more about global warming climate change marketing than they do about actual ‘science’.


Via Tony Heller’s “The Deplorable Climate Science Blog :

Unambiguous Fraud In The National Climate Assessment

The National Climate Assessment claims unambiguous warming globally and in the US since 1880.


They show a very detailed graph and map which expresses the claimed warming.

All that red looks pretty scary. Red is the color of fire, and it isn’t hard to convince some people that their carbon sins will lead to hell fire.

What they aren’t telling is that their graph and map are fake. They have no idea what global temperatures were in 1880, 1900, 1920, 1940, or in fact the present,  because outside of the US there is very little verifiable data.

As late as 1940, there was almost no daily coverage of South America or Africa.

NOAA’s current data in Africa and much of the rest of the world is still fake. They make up record temperatures in countries where they have no thermometer data.

Real temperatures       Reported temperatures

By their own admission, the ocean data is also fake.

date: Wed Apr 15 14:29:03 2009
from: Phil Jones <> subject: Re: Fwd: Re: contribution to
to: Thomas Crowley <>


The issue Ray alludes to is that in addition to the issue
of many more drifters providing measurements over the last
5-10 years, the measurements are coming in from places where
we didn’t have much ship data in the past. For much of the SH between 40 and 60S the normals are mostly made up as there is very little ship data there.


The only location on Earth with good long term daily temperature data in the US.

Before NOAA tampers with their data, the US shows no warming over the past century.

The lack of US warming wrecks global warming theory, so NOAA and NASA tamper with their own data to create fake warming.


1999 Version       2017 Version

The frequency and coverage of hot weather has plummeted in the US over the past century. The US isn’t getting hotter – afternoons are getting cooler.

The US temperature data is tampered with by NOAA in a massive hockey stick.

Which is designed to bring the data precisely in line with CO2 theory.

NOAA knows perfectly well that the US is not warming.

U.S. Data Since 1895 Fail To Show Warming Trend –

US and global temperatures are constantly being tampered with to cool the past and warm the present.

US tampering :

Global tampering :

1981: Challenge_chapter2.pdf         2001:     current: Fig.A.gif 

2001 version :   2015 version: Fig.A.gif 

All of the claims in the National Climate Assessment about global warming are unsupportable junk science, made largely with fraudulent or imaginary data. Global warming is the biggest scam in science history. It has been thoroughly corrupted by tens of billions of dollars of government money – which fake climate scientists refuse to let go of.

The only thing global and unambiguous in the National Climate Assessment, is the level of junk science and fraud it represents.

Unambiguous Fraud In The National Climate Assessment | The Deplorable Climate Science Blog


Related :

NASA / NOAA Data Fraud Related :


CALIFORNIA Wildfires Are Not Due To Climate Change

Brilliant analysis Tony Heller aka Steve Goddard.
And, not to mention that a homeless encampment cooking fire was responsible for the latest Bel Air fire. Yet, California’s “climate ambulance chaser” in chief, governor Jerry Brown instead blamed “climate change” as a “new normal” … apparently an easier problem to address than the state’s chronic homelessness.

Green Jihad

In this video, author and scientist Tony Heller brilliantly debunks ambulance chasing climate scientists who come out of the woodwork every time there is a natural disaster, like wildfires in California. In fact, burn acreage in the US has plummeted over the past 85 years, as CO2 has increased.

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NOAA Still Falsifying Icelandic Climate History

“THE past was erased, the erasure was forgotten, the lie became the truth.” – George Orwell, 1984


By Paul Homewood

You would be forgiven for thinking that the Iceland Met Office are probably the best people for understanding the history of their own climate.

In 2008, their leading climatologist, Trausti Jonsson, wrote this article:


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Alan Carlin: None of the climate alarmist apocalypses have occurred or are even possible

“The alarmists’ 12 apocalyptic predictions have proved uniformly wrong. That’s zero percent correct.”

WITH so much of the public’s money spent (Trillion upon trillions) on “Climate Change” aka “Global Warming” aka “Climate Disruption” aka “Climate Crisis”, any sane person would naturally conclude that there is an actual “Climate Crisis”.

HOWEVER, outside of overheated U.N. climate models and daily hysteria from the sycophant lamestream media, there is still no tangible “Climate Crisis”.

THE name change from “global warming” to “climate change” is perhaps the biggest giveaway. Owing to the peer-reviewed, scientific fact that the planet stopped warming around 20 years ago.

ENTER “climate change” – hot, cold, wet, dry, flood, drought, blizzard – it’s all your fault and you and your “unsustainable” lifestyles are ‘changing’ the weather – whatever that means.

AND, what is the mythical perfect climate that alarmists want? What if we stop ALL hydrocarbon based energy tomorrow and there’s a hurricane next year? Or what happens if Australia has a heatwave? How many days should it last? How much less or more rain is better if we get serious and live in caves? Will the weather be eternally idyllic for modern cave-dwelling?

WILL the pontificators of the media driven climate hysteria; DiCaprio, Al Gore, Obama, Bill Nye, The Pope et al live in caves too?

CLEARLY they won’t. But why not? After all, there is a genuine “climate crisis” right? Or at least they tell us that there is. Everyday.

EITHER way, cave or no cave, Leonardo DiCaprio’s new island development is a serious death trap according to what he preaches atop the U.N. pulpit. Whoever advised him to build on an island when sea levels are meant to rise by 10-100 feet by 2100 according to experts like Leo.

MAYBE, just maybe he’s lying his ass off to feed the biggest scientific fraud ever perpetrated upon mankind.

Tallbloke's Talkshop

Earth and climate – an ongoing controversy
Lack of predictive success is a strong warning sign that something is amiss in the world of climate science in general and its modelling in particular.

The climate alarmists have long tried to sell their apocalyptic scam by claiming that their policies will avoid catastrophic increases in global temperatures, writes Alan Carlin.

The Daily Caller has recently inventoried some of the widely publicized such climate apocalypses predicted over the last 30 years by examining 12 of them.

The alarmists’ 12 apocalyptic predictions have proved uniformly wrong. That’s zero percent correct.

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