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Radical environmentalists characterize global warming/climate change as a potentially cataclysmic phenomenon that is caused largely by human industrial activity and its polluting by-products and has the potential for ending life as we know it.

The most widely quoted attempt to address climate changes of the past -- and to speculate about the future -- is the series of reports produced by the UN Intergovernmental Panel on Climate Change (IPCC). Its first Scientific Assessment Report (1990) concluded that the climate record is "broadly consistent" with what might be expected from the human-enhanced greenhouse effect, as calculated by General Circulation Models (GCMs).

The second UN Scientific Assessment Report, published in 1996 and citied by radical environmentalists as scientific proof of a coming catastrophe, found it necessary to introduce a previously overlooked factor -- human-caused atmospheric sulfate aerosols -- to reach the conclusion that "the balance of evidence suggests there is a discernible human influence on global climate."

But the IPCC arrived at its ambiguous conclusion based on "fingerprints" in the climate record; i.e., an increasing correlation (over time) between observed and calculated global temperature patterns. And this positive trend in correlation depended entirely on the arbitrary choice of the time interval 1940-1990, during which temperatures were, for the most part, actually decreasing. A different choice of interval could have produced a zero or even a negative trend.

Since the publication of the IPCC report in 1996, an increasing number of researchers have adopted the view that much or most of the pre-1940 warming was due to natural causes and represented a recovery from the Little Ice Age of 1300-1850. Some would assign a substantial portion of that warming to greenhouses gases. Others claim that most of the temperature increase was caused by solar variability.

Perhaps the strongest argument against an appreciable human contribution to climate patterns comes from the observed cooling that took place between 1940 and 1975, and the lack of warming since 1979 (in the weather balloon and satellite data).

The Earth's climate has never been steady; it has either warmed or cooled -- without any human intervention -- since the dawn of time. The measured variations have often been larger and more rapid than those currently predicted by climate models for the year 2100. In the last 3,000 years, temperatures in the North Atlantic have changed by as much as 3°C within a few decades. During the most recent Ice Age, the variability was even greater.

The frequent ice ages of the last few million years appear to be linked to changes in the absorbed incident solar radiation, which in turn is affected by orbit changes of the Earth -- the so-called astronomical theory. Longer-term climate changes seem to be linked to continental drift and other tectonic events. Shorter variations, on the time-scale of decades, appear to be caused by atmosphere-ocean interactions and changes in ocean circulation. Alternatively, they could be due to external causes, such as variations in solar irradiance or in solar activity.

None of the climate models incorporate the effects of a variable sun. It has always been assumed that solar variability is simply too small, but this view is now changing. Evidence shows that solar winds and sunspots can affect the earth's ozone layer and influence atmospheric circulation or cloudiness -- which in turn can cause significant climate changes.

As for the association of climate change with atmospheric greenhouse gases, on the time-scale of hundreds of millions of years, carbon dioxide (CO2) has sharply declined; its concentration was as much as 20 times the present value at the beginning of the Cambrian Period, 600 million years ago. Moreover, glaciations have occurred throughout geologic time even when CO2 concentrations were high.

Radical environmentalists and high government officials have declared repeatedly that climate science is "settled" and "compelling." The clear implication is that we know enough to act; that any further research findings would be "policy-irrelevant" and not important to the international deliberations of the parties to any climate treaty. But in fact, as of mid-2008, no fewer than 31,000 U.S. scientists had signed a petition rejecting the assumption that the human production of greenhouse gases was damaging Earth's climate.

In late November 2009, the so-called "Climategate" scandal cast grave doubt on the intellectual integrity of those leading the effort to spread fear about the alleged dangers of global warming. At the heart of the controversy was the discovery that a number of leading American and British climatologists who held that mankind's industrial activity was causing a dangerous warming trend in the earth's atmosphere, had intentionally manipulated the evidence in order to provide "proof" that their warnings were justified. The scientists' deceptions were found out when hundreds of their private email messages and documents were obtained and publicized by computer hackers.

This introduction is adapted from "A Geophysicist Looks at Climate Change: Human Contribution to Climate Change Remains Questionable," written by Fred Singer and published by Capitalism Magazine on September 27, 1999.




Global Warming Myth and Marxism: How the U.N. and Marxist Economists Have Used the Global Warming Myth to Wreck World Economies
By Edward F. Blick

The Marxist Roots of the Global Warming Scare
By Wes Vernon
June 16, 2008

A Chronology of the Global Warming Swindle
By Marcia Merry Baker
March 2007
Global Warming: The Origin and Nature of the Alleged Scientific Consensus
By Richard S. Lindzen
Spring 1992

Global Warming: How It All Began
By Richard Courtney
May 15, 1999

The Left’s War on Science
By Daniel Greenfield
April 12, 2013

The Shocking True Story of How Global Warming Became the Biggest #FakeNews Scare of All Time (Pt 1)
By James Delingpole
February 28, 2018


Deconstructing Global Warming
By Richard S. Lindzen
October 26, 2009

GLOBAL WARMING and the irrelevance of science
Richard Lindzen

Climate Change Reconsidered II: Fossil Fuels
By Roger Bezdek, Craig D. Idso, David Legates, S. Fred Singer

Climate Alarmists Finally Admit ‘We Were Wrong About Global Warming’
By James Delingpole
September 19, 2017

Climate Alarmism Is Still Bizarre
By Paul Driessen
February 18, 2018

How Al Gore Built the Global Warming Fraud
By Jay Lehr and Tom Harris
October 19, 2018

What Catastrophe? MIT’s Richard Lindzen, the Unalarmed Climate Scientist
By Ethan Epstein
January 13, 2014

The Climate Change Inquisition: An Abuse of Power that Offends the First Amendment and Threatens Informed Debate
By Hans von Spakovsky and Nicolas Loris
October 24, 2016

Let's Follow the Climate Money
By Paul Driessen
December 29, 2018

Environmentalism Is the New Racism
By Daniel Greenfield
November 27, 2013

The Death of Environmentalism: Global Warming Politics in a Post-Environmental World
By Michael Shellenberger and Ted Nordhause
October 2004

Exiting the Mad Hatter's Climate Tea Party
By Paul Driessen
June 2, 2017

More Rational Policies In Our Future?
By Paul Driessen
June 11, 2017

The Myth of the Climate Change "97%"
By Joseph Bast and Roy Spencer
By David Rose
February 4, 2017

Real Science Must Guide Policy
By Paul Driessen
April 15, 2017

When Too Little CO2 Nearly Doomed Humanity
By Dennis T. Avery
June 30, 2017

GIGO-based Energy and Climate Policies
By Paul Driessen
February 27, 2017

Financial Stability Board Climate Deceit
By Paul Driessen
March 16, 2017

Global Warming Believers Are Like a Hysterical ‘Cult’: MIT Scientist Compares 'Climate Alarmists' to Religious Fanatics
By Ellie Zolfagharifard
January 22, 2015

Five Stages of Climate Grief
By Paul Driessen
November 27, 2016

The Climate Science Isn't Settled
By Richard S. Lindzen
November 3

What Nordhaus Gets Wrong about Climate Change
By The Institute for Energy Research
May 11, 2012

Climate Scientists Come to Terms with the Lack of Global Warming
By Michael Bastasch
April 26, 2013

Greenpeace Co-Founder: No Scientific Evidence of Man-Made Global Warming
By Michael Bastasch
February 25, 2014

The Fiddling with Temperature Data Is the Biggest Science Scandal Ever
By Christopher Booker
February 7, 2015

Updated NASA Data: Global Warming Not Causing Any Polar Ice Retreat
By James Taylor
May 19, 2015

Top MIT Scientist: Gov’t Funded Climate Science Promotes Alarmism
By Michael Bastasch
March 5, 2015
Testimony to the Senate Committee on Environment and Public Works
By William Happer
February 25, 2009

In Defense of Carbon Dioxide
By Harrison H. Schmitt and William Happer
March 28, 2015

The Truth about Greenhouse Gases
By William Happer
June 2011

Global Warming Models Are Wrong Again
By Wiliam Happer
March 27, 2012

Myth of Arctic Meltdown: Stunning Satellite Images Show Summer Ice Cap Is Thicker and [Bigger]
By David Rose
August 30, 2014

Meteorologist Anthony Watts on ‘Adjusted’ U.S. Temperature Data: ‘In the Business and Trading World, People Go to Jail for Such Manipulations of Data’
By Marc Morano
January 10, 2013

"Breathtaking" Adjustments to Arctic Temperature Record
By James Delingpole
February 7, 2015

Climate Science in the Political Arena
By William Happer
May 20, 2010
A Geophysicist Looks at Climate Change: Human Contribution to Climate Change Remains Questionable
By Fred Singer
September 27, 1999

Warming Up to the Truth: The Real Story About Climate Change
By Sallie Baliunas
August 22, 2002

NOAA/NASA Dramatically Altered U.S. Temperatures after the Year 2000
By Steven Goddard
June 23, 2014

The Climate Science Isn't Settled
By Richard Lindzen
November 30, 2009

Man’s Contribution to Global Warming
By Nicolas Loris
March 27, 2009

Report Shows UN Admitting Solar Activity May Play Significant Role in Global Warming
By Maxim Lott
February 1, 2013
The Death of Environmentalism: Global Warming Politics in a Post-Environmental World
By Michael Shellenberger and Ted Nordhause
October 2004

Study: Earth Was Warmer in Roman, Medieval Times
By The Daily Caller
December 13, 2013

Climate Change: The Burden of Proof
By S. Fred Singer
January 29, 2016

Global Warming Models Are Wrong Again
By William Happer
March 27, 2012

Global Warming Charlatans Feel the Heat
By Alan Caruba
May 30, 2011

US Physics Professor: 'Global Warming Is the Greatest and Most Successful Pseudoscientific Fraud I Have Seen In My Long Life'
By James Delingpole
October 11, 2010

31,000 Scientists Reject 'Global Warming' Agenda
By Bob Unruh
May 19, 2008

More Studies Rebut Climate Change Consensus Amid Government Crackdown on Dissent
By Valerie Richardson
April 10, 2016

75 Climate Scientists Think Humans Contribute to Global Warming
By Lawrence Solomon
December 30, 2010

Deep-Sixing Another Useful Climate Myth
By David Legates
April 9, 2016 

IPCC Insider Rejects Global-Warming Report
By Alec Torres
April 3, 2014

No Need to Panic About Global Warming
Wall Street Journal
January 27, 2012
Climate Alarmists Pose Real Threat to Freedom
By Vaclav Klaus
March 12, 2008

The Climate Crisis Hoax
Larry Bell
January 5, 2011
Hotheads on a Lukewarm Planet
By Patrick J. Michaels
April 2011
Now Even Michael Mann Admits The ‘Pause’ In Global Warming Is Real; Throws Allies To Wolves
By James Delingpole
February 28, 2016

There Has Been No Global Warming Since 1998
By James Delingpole
July 6, 2011

Weather Channel Founder: Global Warming ‘Greatest Scam in History’
By Noel Sheppard
November 07, 2007

Global Warming? Oops! Never Mind!
By Jonathon Moseley
April 1, 2013

The Myth of "Settled Science"
By Stephen Moore
March 15, 2015

Climate Change: The Greatest-Ever Conspiracy Against the Taxpayer
By James Delingpole
March 28, 2016

Can Poor Families Sue John Kerry
By Paul Driessen
October 7, 2018

"Global Warming" Is a Myth, Say 58 Scientific Papers in 2017
Bt James Delingpole
June 6. 2017

Study Finds Temperature Adjustments Account For ‘Nearly All Of The Warming’ In Climate Data
By Michael Bastasch
July 5, 2017

On the Validity of NOAA, NASA, and Hadley CRU Global Average Surface Temperature Data
By Dr. James P. Watson III et al.
June 2017

Antarctic Sea Ice Reaches New Record Maximum
By NASA.gov
Oct. 7, 2014


Think of What We Could Do with $11.6 Billion in Useless 'Climate Change' Spending
By Douglas Herz
January 11, 2017

Hidden Agendas of Sustainability
By Paul Driessen
February 6, 2017

The Real Cost of Global Warming
By Ben Lieberman
December 1, 2008

Why Conservatives Will Always Lose the War on Climate Change
By James Delingpole
April 9, 2016


For recommended videos on this topic, click here.


The Real Global Warming Disaster



Real Science


* Climategate

* The Current State of the Environment


When Activism Kills
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September 18, 2014


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