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1970's Cooling

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In the 1940's/1950's there were concerns about polar melting and a warming climate. Many high temperature records were set in the mid-1930's. Then the climate shifted to cooling and the fear was of a new ice age or a period of extended cooling like the Little Ice Age.

There has been an effort on the internet to minimize the concern expressed by the scientists of the time about impending cooling, perhaps because it doesn't fit the current narrative of impending warming far into the future. Many of the links in this section are to posts with archival material that confirm that concerns about cooling were broad and by experts in the field.
Temperature data collected at the time has been adjusted, resulting in warming the temperature record for the period (whether justified or not).

Global Cooling will kill us all! By Andy May As Angus McFarlane shows in a 2018 well researched web post (McFarlane, 2018), some 65% of the peer-reviewed climate papers, that offered an opinion, published between 1965 and 1979 predicted that the global cooling seen at the time would continue.

Global Cooling will kill us all!

He references and is supported by a post by Kenneth Richard (Richard, 2016). Attempts to erase the “global cooling scare” from the internet by the notorious William Connolley, who has rewritten 5,428 Wikipedia articles in a vain attempt to change history, failed. As James Delingpole explains in The Telegraph, Connolley systematically turned Wikipedia into a man-made global warming advocacy machine (Delingpole, 2009).

He rewrote articles on global warming, the greenhouse effect, climate models and on global cooling. William Connolley is friends with Michael Mann and his Hockey Team, which includes Phil Jones and Raymond Bradley. Figure 1. Hypotheses are speculative ideas. Like this: Related. That 70’s Climate Crisis Show. Guest nostalgia-izing by David Middleton A common theme in Warmunist vs Skeptic “debates” is the notion of a scientific consensus regarding global cooling in the 1970’s.

That 70’s Climate Crisis Show

My recollection is that there was no scientific consensus, because there weren’t enough climatologists around back then to hold a decent debate, much less form a consensus. However, there was indeed a global cooling “crisis.” A Little 70’s Background Despite all of these extracurricular activities, I found time for classes and even kept most of my old textbooks. Historical Geology Suggestion that changing carbon dioxide content of the atmosphere could be a major factor in climate change dates from 1861, when it was proposed by British physicist John Tyndall.[…]Unfortunately we cannot estimate accurately changes of past CO2 content of either atmosphere or oceans, nor is there any firm quantitative basis for estimating the the magnitude of drop in carbon dioxide content necessary to trigger glaciation.

Meteorology. Popular 1970s Global Cooling Alarmism. When Scientists Still Did Science. A great embarrassment to the warming-catastrophic community is that 40 years ago the climatology scare was about cooling and onset of an ice age.

When Scientists Still Did Science

Warmists today go, “Pooh! That cooling stuff then was just a few hyped-up articles in magazines. Cooling never got any traction in the real science community!” Really? Then explain this away… Letter from the Australian Federal Minister for Science, W.L. Global Cooling 1940 – 1975 explained for climate change experts. Post 18 Februray 2017; Continued from: dr-judith-curry-on-climate-sciences-fatal-flaw/ & warm-up-1918-1939-explained-for-dr-judith-curry-and-other/ In the previous post we lauded Dr.

Global Cooling 1940 – 1975 explained for climate change experts

Judith Curry for her recent statement: “If science can’t explain climate shifts pre 1950, how can we trust today’s climate models?” Symptoms Of Global Warming And Global Cooling Are Identical. Experts say that cold weather and western drought is caused by global warming and disappearing Arctic ice.

Symptoms Of Global Warming And Global Cooling Are Identical

Global warming makes the jet stream take deep dips into the Eastern US, causing cold in the east and drought in California. New study says global warming causing more frigid winters In 1977, experts blamed nearly identical cold winters and western drought on global cooling and increasing Arctic ice. In 1977, experts said global cooling makes the jet stream take deep dips into the Eastern US, causing cold in the East and drought in California. National Geographic : 1977 Dec, Page 822 And just to add insult to injury, climate experts pretend that they don’t know about pre-1979 sea ice data, so they can push their linear Arctic melting scam. Ipcc_far_wg_I_chapter_07.pdf The coldest winters on record occurred during a time when Arctic sea ice was rapidly increasing. Sorry, Politico: The Media’s History of Panic Over Climate Is Very Real - Capital Research Center. Shane Goldmacher’s May 15 story in Politico about a fake magazine cover shown to President Trump was disturbing.

Sorry, Politico: The Media’s History of Panic Over Climate Is Very Real - Capital Research Center

The cover, purportedly that of Time magazine, April 8, 1977, featured a photo of a penguin and spotlighted the story “How To Survive the Coming Ice Age.” Even a Google search for “ice age Time cover” or a similar set of search terms would have revealed the scam instantly. The 1970s Global Cooling Consensus was not a Myth. [update, reference sheet is now linked at the bottom of post] By Angus McFarlane,

The 1970s Global Cooling Consensus was not a Myth

285 Papers 70s Cooling 1. What follows is a list of over 285 papers published during the 1960s, 70s and 80s showing there was a near consensus of an imminent global cooling – a fact that some activist scientists falsely dispute.

285 Papers 70s Cooling 1

They should have been far more careful in their review of the literature. PART 2 herePART 3 here 1. Kukla, 1972 Climatic changes result from variables in planetary orbits which modulate solar energy emission and change seasonal and latitudinal distribution of heat received by the Earth. 2. Has man, through increasing emissions of particulates, changed the climate? It is estimated that man now contributes 13.6% of the 3.5 x 109 tons of primary and secondary particulates presently emitted to the atmosphere annually. … [W]hile an anthropogenic upward trend in airborne particulates existed in the past, it was halted and may even have been reversed over the past few decades. 285 Papers 70s Cooling 2. 96.

285 Papers 70s Cooling 2

Paterson, 1977 Figure 4a shows 10-yr mean [temperature] values from AD 1200 to present [Arctic Canada]. Prominent features are brief warm periods with peaks at 1240 and 1380, cold peaks at 1430, 1520, and 1560, the ‘Little Ice Age’ continuously cold from 1680 to 1730 and with another temperature minimum at 1760, a pronounced warming at about 1910 with relatively warm temperatures until about 1960 and a marked cooling thereafter … [T]he cooling trend over the past 5,000 yr has probably been more than 1°. 97.

Angell and Korshover, 1978. 285 Papers 70s Cooling 3. 206.

285 Papers 70s Cooling 3

Dyson, 1977 The magnitude of this negative feed-back effect of atmospheric CO2 upon itself depends on many ecological interactions which have yet to be disentangled. The effect could be negligibly small, or it could be as large as 3 x 109 tons of carbon per yr. In summary, there is insufficient evidence to decide whether the carbon content of the biosphere has decreased, increased or remained stationary in response to the manifold human activities of recent decades.

Massive Cover-up Exposed: 285 Papers From 1960s-’80s Reveal Robust Global Cooling Scientific ‘Consensus’ Beginning in 2003, software engineer William Connolley quietly removed the highly inconvenient references to the global cooling scare of the 1970s from Wikipedia, the world’s most influential and accessed informational source.

It had to be done. Too many skeptics were (correctly) pointing out that the scientific “consensus” during the 1960s and 1970s was that the Earth had been cooling for decades, and that nascent theorizing regarding the potential for a CO2-induced global warming were still questionable and uncertain. Not only did Connolley — a co-founder (along with Michael Mann and Gavin Schmidt) of the blog — successfully remove (or rewrite) the history of the 1970s global cooling scare from the Wikipedia record, he also erased (or rewrote) references to the Medieval Warm Period and Little Ice Age so as to help create the impression that the paleoclimate is shaped like Mann’s hockey stick graph, with unprecedented and dangerous 20th/21st century warmth.

U.S. Orwellian Class Fraud At Scientific American. “He who controls the past controls the future. He who controls the present controls the past.”George Orwell 1984 Scientific American claims that the 1970’s global cooling scare consisted of nine paragraphs in Newsweek in 1975. How the “Global Cooling” Story Came to Be – Scientific American The Scientific American claim is rather incredible, given that the Newsweek article referenced specific people at NOAA, The National Academy of Sciences, and used temperature data from NCAR.

Newsweek April 28, 1975 I could write an entire book of references to the 1970’s global cooling scare, but here are a few highlights. NOAA Powerpoint Slide 6 NCAR’s top people were warning of global cooling. 12 Jun 1974, Page 20 – at Obama’s future science adviser warned of a new ice age. Steven Schneider 1978: Melt The Polar Ice Caps To Stop The Coming Ice Age. The History Of The Modern “Climate Change” Scam. In January 1972, the National Science Foundation held a meeting at Brown University to discuss “climatic change” – when meant global cooling, which they said was of natural origin. When Will the Present Interglacial End? | Science Later that year, the participants sent a letter to President Nixon warning of a new ice age within a century.

Science 1973 – Glaciers To Cover Long Island. The suspicion that winters are getting colder is no longer merely a suspi­cion among climatologists. Over the last 30 years permanent snow on Baffin Island in Canada has expanded. Pack ice around Iceland in the winter is increasing and becoming a serious hazard to navigation. Warmth-loving armadillos that mi­grated northward in the first half of this century are now retreating southward toward Texas and Oklahoma.If all indications are correct, worse is yet to come.

Judging by what has happened in the past, it may very well get cold enough to allow great glaciers thousands of feet thick to cover North America as far south as Long Island, burying the highest peaks of the White Mountains and Adirondacks.Saturday Review of the Sciences March 24, 1973. Climate Scientists Knew! Global Warming Alarmists – Recycling The Identical Idiocy From 50 years Ago. Not everyone was pushing global cooling in 1969. In 1969, J. G. 1978 : Steven Schneider Discusses Melting The Polar Ice Cap To Stop The New Ice Age. Thanks for this post. Climate predictions in 1974 – Famous glaciologists predicted the world going colder from 1974 until 2010. Caption: Glaciologists gathered together in Sogn.

From left: Olav Orheim, Valter Schytt, Sweden, Randi Pytte Aswald, Willi Dangsgaard (sic), Denmark and Olav Liestøl. - click to enlarge Story Submitted by Geir Hasnes While we were going through the heaps of papers after a deceased family member some days ago, I noticed a newspaper clipping from the Norwegian newspaper Bergens Tidende, August 31, 1974, where glaciologists stated that we were at the entrance of a colder period in Northern Europe which would last at least until 2010. 1974 : Global Cooling Triggers Worldwide Droughts. Before 1960s-’70s Global Cooling Was Erased, It Caused Droughts, Crop Failures, Glacier Advance, Ice Age Threats. The 1970’s Global Cooling Compilation – looks much like today. Hiding The Inconvenient Satellite Data. In 1972, forty-two “top European and American investigators” predicted a rapidly approaching new ice age – based on an increase in snow and ice cover from 1967-1972.

The Deplorable Climate Science Blog. 1975 Science News: Climate change: Chilling possibilities. © Science News The winter of 1780-81 was a particu-larly bitter one for the American Revo-lutionary forces. Washington's troops hunkered down, ill-clothed and ill-fed, around their campfires at Morristown, N.J., while a few miles away British troops enjoyed the relative luxury of an occupied New York City.