“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.
I could write an entire book of references to the 1970’s global cooling scare, but here are a few highlights. In 1972, “42 top American and European investigators” from the National Science Foundation wrote a letter to President Nixon warning of a new ice age within a century.
NCAR’s top people were warning of global cooling.
12 Jun 1974, Page 20 – at Newspapers.com
Obama’s future science adviser warned of a new ice age.
NASA’s top climatologist warned of a new ice age.
U.S. Scientist Sees New Ice Age Coming
Front Page of the New York Times, July 18, 1970. US and Soviet scientists were worried about Arctic cooling and expanding Arctic ice, and wanted to melt the Arctic by spreading coal dust on it.
U.S. and Soviet Press Studies of a Colder Arctic – The New York Times
The National Academy of Sciences wanted to relocate six million people to save them from drought caused by global cooling.
TimesMachine: December 29, 1974 – NYTimes.com
In 1978, an international team of specialists saw no end in sight to the cooling.
The report, prepared by German, Japanese and American specialists, appears in the Dec. 15 issue of Nature, the British journal.
In 1961, there was unanimous consensus among scientists that earth was cooling.
The National Academy of Sciences showed the cooling, and warned that it could be serious within a century.
1975 National Academy Of Sciences Report
NCAR showed the cooling, and blamed drought, floods, blizzards, tornadoes and hurricanes on it.
21 Jul 1974, Page 13 – The Des Moines Register at Newspapers.com
NASA has since (quite predictably) erased the cooling.
The list above is just barely scratching the surface. As I mentioned, I could write an entire book on this topic.
Organizations which depend financially on global warming alarmism (like NASA and Scientific American) have ramped up their lies and fraud to a level which was supposed to be fictional in Orwell’s novel 1984.
I’m banned from posting over at “Scientific American” otherwise I’d link to some of your stuff in their comments section. I’m banned from “National Geographic” too.
Wear those bans with pride.
One bloke who posts at Jo Nova reckons to count red thumbs as +10 points. A ban like that must be worth at least + 100
The best I ever got at Je Nova for a post was 3 red thumbs. I’m going to have to up my game.
“One bloke who posts at Jo Nova reckons to count red thumbs as +10 points.”
:-) I luv my red thumbs :-)
That is hilarious! … I think AZ1971 nailed it.. Wear with pride!
New, younger management at both National Geographic and Scientific American sets the agenda for all their staff……. same thing happened at Enron…… and look how that turned out…
I’m not banned on either and I post quite frequently about how the so called “science” behind any attribution claims related to global warming is flawed. The truth is they could be right. They could be wrong. There IS a warming trend but the causes, and whether or not it will last are still more than debatable. Science follows the rules of logic. Consensus, even we it to truly exist, is not an indicator of correctness and correlation is not an indicator of causality. I have been saying this frequently and am still able to comment on articles. Could it be that you were combative, boat, or otherwise in violation of the TOS for the comments section?
Fake warming trend. Capital letters don’t change that.
I have been banned from sites simply for asking inconvenient questions. I once had a warmist tell me that RealClimate would not ban people for asking legitimate questions. So I gave him a question to ask, he then edited the question to make it as warmist-friendly and Emily Post polite as possible, and posted it as a known warmist. He said he thought it was a reasonable and good question. The comment was bore holed.
I can testify that what Tony Heller here presents was true!
I finished university in 1973 in Portugal (then, not a scientifically advanced country). Global cooling was one of the main topics discussed at our courses of ecology, plant and animal physiology, etc. Of course they were presented in a scientific, elevated mood, with no hysteria. In those days, no one wondered what such a thing as a “NGO” would be (there were some, with long traditions, usually concerned and well informed institutions of the civil society).
In those days, I read Scientific American at the library of the embassy of the USA in Lisbon (thank you older folks, the taxes you payed helped many of us in our studies). Latter, I was a subscriber. And then Scientific American started its campaigns of advocacy of several non-scientific “trends” that came about. It lost its tradition of good, reliable information; it forgot its more than century old roots. And it lost my subscription, and myself as a reader.
One thing SA doesn’t claim but can. Go find yourself a copy of
Gale, N.H and Stoss-Gale, Z (1981). Lead and silver in the ancient Aegaen. Sci. AMer. Vol 244(6) June 1981 pp142-52
And you’ll see the best photo of a cleavage I’ve seen in a scientific publication
You’re right, thank you!
When I visited the place it was empty…
Doesn’t the insistence that “most scientists” predicted warming essentially debunk the whole “Exxon knew” campaign?
This is one of the main reasons why I don’t buy into the stuff they are peddling since they were wrong then about what they were saying regarding the doom and gloom so why in the hell would I believe these people now? If people show me they have no idea what the hell they are talking about then what they are saying becomes useless to me. I’m also not big on people trying to claim the exact opposite results of something as they do with first global cooling from increased CO2 and now warming.
The other main reason why I don’t believe this stuff is the fact data has been adjusted and it isn’t even the fact it has been adjusted to favour the narrative they are pushing now. No, it’s simply the mere fact of adjusting data which to me says the data is questionable or the people behind it are incompetent. If older data “needs” to be adjusted then who is to say recent data won’t need to be as well.
I take all charts and data regarding older temperature readings with a huge grain of salt regardless if they show warming, cooling, or no change.
I agree with you, my reason was that Co2 is a trace gas with 99.96% being other gases. Logic tells me it can’t be a significant effect on our climate. Also, most of the thermal energy is stored in water and water vapor is several times more a greenhouse gas.
How would you even cover the arctic or Greenland with coal? Think about the logistics of that. Pfffftt
Dear Mr. President, we hate everything you stand for, being Republican and all… But please put us in charge of the next Manhattan Project because otherwise we’ll sit here languishing in our puny insignificance at Brown U.
The most interesting part of climate change/global warming revolves around HOW the world moves from a period of warmth and stability to one of an ice age. No one ever talks about the mechanism of how that’s possible … well, almost no one:
Given the rhetoric of impending doom resulting from an ice-free Arctic, it’s interesting to postulate whether or not scientists have given this old theory any new life. Since snowfall on land cannot be melted from underneath (like open ice packs can) at what point would sufficient snow build up to cause a higher albedo and self-sustaining feedback?
No one talks about this. No one talks about how much of a lie the “official” global temperature record is, because they’re attempting to draw a direction 1:1 line between increasing atmospheric CO2 content and the temperature. It’s not even an accurate prediction, because CO2 follows a logarithmic curve and the vast majority of its GHG effect occurs as the result of the first 20 ppm content.
I would love to see today’s scientists give some thought to how a new ice age would begin, the mechanism(s) by which the change-over to a colder planet would take place, and whether or not it has anything to do with CO2.
I think the first sign that an ice age is coming soon will be seen on Baffin Island where it will become snow covered all summer long. The snow will not melt over the entire summer. This will increase the albedo and the regional cooling there will expand, perhaps pushing us into an ice age in as little as 10 years. The 10 year figure comes from some beetle studies in England where the warm weather beetles disappeared very quickly.
I don’t think Baffin Island was ever snow free during this past summer.
While I agree, I would say that the reverse problem is even more interesting. Where do the kilocalories necessary to melt a 1-2 mile high ice sheet that stretches over thousands of square miles come from? How does this happen in a few centuries?
So we do not know how an “natural” ice age starts, we know even less about how one ends, but governments, building on this ignorance, have more than half the world convinced that man caused warming is ahead
If we cannot understand and predict the course of the current ~100Kyr ice age climate cycle, how is it possible to define the effects of man (if any) in altering it. Obviously it is not.
There are HUNDREDS of published science papers too about the Cooling and ice balances:
285 Papers 70s Cooling 1
http://notrickszone.com/285-papers-70s-cooling-1/#sthash.ICtJSzr9.dpbs
285 Papers 70s Cooling 2
http://notrickszone.com/285-papers-70s-cooling-2/#sthash.UyIZxGD4.dpbs
285 Papers 70s Cooling 3
http://notrickszone.com/285-papers-70s-cooling-3/#sthash.k5gFBL4f.dpbs
A lot of Media coverage too:
1970s Global Cooling Alarmism
http://www.populartechnology.net/2013/02/the-1970s-global-cooling-alarmism.html
The hell with you William Connolly!
More great content, Tony! Thanks! You’re the man!
The 1970’s cooling was mainly down to stronger-hotter solar wind driving a colder AMO & Arctic, and driving a multi-year La Nina, by increasing positive North Atlantic Oscillation states. The reverse has occurred since the mid 1990’s with declining solar wind strength increasing negative NAO, driving a warm AMO and Arctic.
https://snag.gy/PrMAr.jpg
Tony, write that book. Please. Personally I remember the 70’s cooling scare.
The “normal” January temperature in DC dropped nearly 2 degrees between 1961 and 1981, so the cooling was not exactly imaginary.
Personally I am shocked that people in the field of history are so laid back these days. All around us they are trying to lie and cheat and change history itself. Would that not make those people that call themselves historians obsolete?
So many sources available, I think one book would not do it justice Tony. This could be a whole encyclopedia !! Great work as usual in exposing the truth!
A “tour de force” on Global Cooling, Tony.
I’ll put this post in my collection.
Scientific American of today is trying to rewrite history. So does Wikileaks on this subject. It’s amazing how a pack of lies can spread so widely. I guess religious zealots will do anything to sell the CAGW Lie.
I lived through the Global Cooling era. There is no doubt the scientists of that day were just as sure human-caused Global Cooling was occurring as they are today about human-caused Global Warming.
They were wrong then and it looks like they might be wrong today, too. They certainly don’t have any evidence to back up their claims other than a bogus, bastardized Hockey Stick chart. It’s the only thing they can point to and it’s a Big Lie. A proven lie.
You are doing a good job of holding their feet to the fire, Tony.
Well, when the Global Warming crisis finally fizzles out, I imagine they will explain it the same way:
How the “Global Warming” Story Came to NOT Be
How Nine paragraphs written for the Washington Post in 1984 trumped 100 years of terrestrial, spaced based and maritime climate observations.
It is not possible to go back in time and convincingly change the published positions of every major climate organization.
The following lists some of the articles during the 1970’s about the coming ice age. Some of the articles are repeated to show that they existed in more than one publication of the time.
1970 – Colder Winters Held Dawn of New Ice Age – Scientists See Ice Age In the Future (The Washington Post, January 11, 1970)
1970 – Is Mankind Manufacturing a New Ice Age for Itself? (L.A. Times, January 15, 1970)
1970 – New Ice Age May Descend On Man (Sumter Daily Item, January 26, 1970)
1970 – Pollution Prospect A Chilling One (The Argus-Press, January 26, 1970)
1970 – Pollution’s 2-way ‘Freeze’ On Society (Middlesboro Daily News, January 28, 1970)
1970 – Cold Facts About Pollution (The Southeast Missourian, January 29, 1970)
1970 – Pollution Could Cause Ice Age, Agency Reports (St. Petersburg Times, March 4, 1970)
1970 – Scientist predicts a new ice age by 21st century (The Boston Globe, April 16, 1970)
1970 – Pollution Called Ice Age Threat (St. Petersburg Times, June 26, 1970)
1970 – U.S. and Soviet Press Studies of a Colder Arctic (The New York Times, July 18, 1970)
1970 – Dirt Will Bring New Ice Age (The Sydney Morning Herald, October 19, 1970)
1971 – Ice Age Refugee Dies Underground (Montreal Gazette, Febuary 17, 1971)
1971 – Pollution Might Lead To Another Ice Age (The Schenectady Gazette, March 22, 1971)
1971 – Pollution May Bring Ice Age – Scientist Rites Risk (The Windsor Star, March 23, 1971)
1971 – U.S. Scientist Sees New Ice Age Coming (The Washington Post, July 9, 1971)
1971 – Ice Age Around the Corner (Chicago Tribune, July 10, 1971)
1971 – New Ice Age Coming – It’s Already Getting Colder (L.A. Times, October 24, 1971)
1971 – Another Ice Age? Pollution Blocking Sunlight (The Day, November 1, 1971)
1971 – Air Pollution Could Bring An Ice Age (Harlan Daily Enterprise, November 4, 1971)
1972 – Air pollution may cause ice age (Free-Lance Star, February 3, 1972)
1972 – Scientist Says New ice Age Coming (The Ledger, February 13, 1972)
1972 – Ice Age Cometh For Dicey Times (The Sun, May 29, 1972)
1972 – Ice Age Coming (Deseret News, September 8, 1972)
1972 – There’s a new Ice Age coming! (The Windsor Star, September 9, 1972)
1972 – Scientist predicts new ice age (Free-Lance Star, September 11, 1972)
1972 – British Expert on Climate Change Says New Ice Age Creeping Over Northern Hemisphere (Lewiston Evening Journal, September 11, 1972)
1972 – Climate Seen Cooling For Return Of Ice Age (The Portsmouth Times, September 11, 1972)
1972 – New Ice Age Slipping Over North (The Press-Courier, September 11, 1972)
1972 – Beginning of new ice age (The Canberra Times, September 12, 1972)
1972 – Ice Age Begins A New Assault In North (The Age, September 12, 1972)
1972 – Weather To Get Colder (Montreal Gazette, September 12, 1972)
1972 – British climate expert predicts new Ice Age (The Christian Science Monitor, September 23, 1972)
1972 – Scientist Sees Chilling Signs of New Ice Age (L.A. Times, September 24, 1972)
1972 – Science: Another Ice Age? (Time Magazine, November 13, 1972)
1972 – Geologist at Case Traces Long Winters – Sees Ice Age in 20 Years (Youngstown Vindicator, December 13, 1972)
1972 – Ice Age On Its Way, Scientist Says (Toledo Blade, December 13, 1972)
1972 – Ice Age Predicted In About 200 Years (The Portsmouth Times, December 14, 1972)
1973 – New Ice Age coming? (Popular Science, January 1973)
1973 – The Ice Age Cometh (The Saturday Review, March 24, 1973)
1973 – Believe new ice age is coming (The Bryan Times, March 31, 1973)
1973 – ‘Man-made Ice Age’ Worries Scientists (The Free Lance-Star, June 22, 1973)
1973 – Fear Of Man-made Ice Age (The Spartanburg Herald, June 28, 1973)
1973 – Possibility Of Ice Age Worries The Scientists (The Argus-Press, November 12, 1973)
1973 – Weather-watchers think another ice age may be on the way (The Christian Science Monitor, December 11, 1973)
1974 – Ominous Changes in the World’s Weather (PDF) (Fortune Magazine, February 1974)
1974 – Atmospheric Dirt: Ice Age Coming? (Pittsburgh Press, February 28, 1974)
1974 – Support for theory of a cooling world (The Canberra Times, May 16, 1974)
1974 – New evidence indicates ice age here (Eugene Register-Guard, May 29, 1974)
1974 – Another Ice Age? (Time Magazine, June 24, 1974)
1974 – 2 Scientists Think ‘Little’ Ice Age Near (Hartford Courant, August 11, 1974)
1974 – Ice Age, worse food crisis seen (Chicago Tribune, October 30, 1974)
1974 – Imminent Arrival of the Ice (Radio Times, November 14, 1974)
1974 – Making a BBC Science Special [The Weather Machine] (New Scientist, November 14, 1974)
1974 – The Weather Machine (BBC, November 20, 1974)
1974 – New ice age ‘could be in our lifetime’ (The Canberra Times, November 22, 1974)
1974 – Believes Pollution Could Bring On Ice Age (Ludington Daily News, December 4, 1974)
1974 – Pollution Could Spur Ice Age, Nasa Says (Beaver Country Times, December 4, 1974)
1974 – Air Pollution May Trigger Ice Age, Scientists Feel (The Telegraph, December 5, 1974)
1974 – More Air Pollution Could Trigger Ice Age Disaster (Daily Sentinel, December 5, 1974)
1974 – Scientists Fear Smog Could Cause Ice Age (Milwaukee Journal Sentinel, December 5, 1974)
1975 – Climate Changes Called Ominous (The New York Times, January 19, 1975)
1975 – Climate Change: Chilling Possibilities (Science News, March 1, 1975)
1975 – B-r-r-r-r: New Ice Age on way soon? (Chicago Tribune, March 2, 1975)
1975 – Cooling Trends Arouse Fear That New Ice Age Coming (Eugene Register-Guard, March 2, 1975)
1975 – Is Another Ice Age Due? Arctic Ice Expands In Last Decade (Youngstown Vindicator, March 2, 1975)
1975 – Is Earth Headed For Another Ice Age? (Reading Eagle, March 2, 1975)
1975 – New Ice Age Dawning? Significant Shift In Climate Seen (Times Daily, March 2, 1975)
1975 – There’s Troublesome Weather Ahead (Tri City Herald, March 2, 1975)
1975 – Is Earth Doomed To Live Through Another Ice Age? (The Robesonian, March 3, 1975)
1975 – The Ice Age cometh: the system that controls our climate (Chicago Tribune, April 13, 1975)
1975 – The Cooling World (Newsweek, April 28, 1975)
1975 – Cooling trend may signal coming of another Ice Age (The Sun, May 16, 1975)
1975 – Scientists Ask Why World Climate Is Changing; Major Cooling May Be Ahead (PDF) (The New York Times, May 21, 1975)
1975 – Summer of A New Ice Age (The Age, June 5, 1975)
1975 – In the Grip of a New Ice Age? (International Wildlife, July-August, 1975)
1975 – Experts ponder another ice age (The Spokesman-Review, September 8, 1975)
1975 – Oil Spill Could Cause New Ice Age (Milwaukee Journal Sentinel, December 11, 1975)
1976 – The Cooling: Has the Next Ice Age Already Begun? [Book] (Lowell Ponte, 1976)
1976 – Ice Age Predicted (Reading Eagle, January 22, 1976)
1976 – Ice Age Predicted In Century (Bangor Daily News, January 22, 1976)
1976 – It’s Going To Get Chilly About 125 Years From Now (Sarasota Herald-Tribune, January 23, 1976)
1976 – Worrisome CIA Report; Even U.S. Farms May be Hit by Cooling Trend (U.S. News & World Report, May 31, 1976)
1977 – Blizzard – What Happens if it Doesn’t Stop? [Book] (George Stone, 1977)
1977 – The Weather Conspiracy: The Coming of the New Ice Age [Book] (The Impact Team, 1977)
1977 – The Ice Age Cometh… (New York Magazine, January 31, 1977)
1977 – The Big Freeze (Time Magazine, January 31, 1977)
1977 – Has The Ice Age Cometh Again? (Calgary Herald, February 1, 1977)
1977 – Space Mirrors Proposed To Prevent Crop Freezes (Bangor Daily News, February 7, 1977)
1977 – We Will Freeze in the Dark (Capital Cities Communications Documentary, Host: Nancy Dickerson, April 12, 1977)
1978 – Ice! [Book] (Arnold Federbush, 1978)
1978 – The New Ice Age [Book] (Henry Gilfond, 1978)
1978 – Winter May Be Colder Than In Last Ice Age (Deseret News, January 2, 1978)
1978 – Current Winters Seen Colder Than In Ice Age (The Telegraph, January 3, 1978)
1978 – Winter Temperatures Colder Than Last Ice Age (Eugene Register-Guard, Eugene Register-Guard, January 3, 1978)
1978 – International Team of Specialists Finds No End in Sight to 30-Year Cooling Trend in Northern Hemisphere (The New York Times, January 5, 1978)
1978 – Little Ice Age: Severe winters and cool summers ahead (Calgary Herald, January 10, 1978)
1978 – Winters Will Get Colder, ‘we’re Entering Little Ice Age’ (Daily Record, January 10, 1978)
1978 – Geologist Says Winters Getting Colder (Middlesboro Daily News, January 16, 1978)
1978 – It’s Going To Get Colder (Boca Raton News, January 17, 1978)
1978 – Another Ice Age? (Kentucky New Era, February 12, 1978)
1978 – Another Ice Age? (Reading Eagle, February 13, 1978)
1978 – The Coming Ice Age (In Search Of TV Show, Season 2, Episode 23, Host: Leonard Nimoy, May 1978)
1978 – An Ice Age Is Coming Weather Expert Fears (Milwaukee Sentinel, November 17, 1978)
1979 – A Choice of Catastrophes – The Disasters That Threaten Our World [Book] (Isaac Asimov, 1979)
1979 – The Sixth Winter [Book] (John R. Gribbin, 1979)
1979 – The New Ice Age Cometh (The Age, January 16, 1979)
1979 – Ice Age Building Up (Daily Record, June 5, 1979)
1979 – Large Glacial Buildup Could Mean Ice Age (Daily Chronicle, June 5, 1979)
1979 – Ice Age On Its Way (Lewiston Morning Tribune, June 7, 1979)
1979 – Get Ready to Freeze (Daily Chronicle, October 12, 1979)
1979 – New ice age almost upon us? (The Christian Science Monitor, November 14, 1979
Nice list!
1975 – “Oil spill could cause new ice age”??? Sounds funny coming from a newspaper in Milwaukee, the coldest place on Earth
I posted the link to that list early in the thread, it is the 850 published SCIENCE papers,that liar William Connolly manage not to find that really stands out.
https://realclimatescience.com/2017/10/orwellian-class-fraud-at-scientific-american/#comment-68328
Lee,
It isn’t polite to copy the entire post, then not post the link to it. Andrew over at Popular Technology blog, would be angry if he finds out. It was he who did all that work to create that list.
Wow. How do you compile this?
Ehrlich should have been the star of The Sixth sense.
Ehrlich is the star of The NON-sense.
How you think he is going to get from zero sense to six senses, I can’t imagine.
He sees dead people. It’s a movie quote, look it up.
He he, good one.
No mention of Newsweek in this documentary:
In Search Of… The Coming Ice Age (1977)
https://www.youtube.com/watch?v=L_861us8D9M
Tony, Exxon NEEDS your help, and you are worth a fortune to Exxon. This collection of articles devastates the claim by the NY Attorney General Eric Schneiderman and a few other AGS that Exxon KNEW about man-made global warming in the 1970s or 1980s. The articles reveal many scientists at that time agreed man was COOLING the earth via soot from burning hydrocarbons, dust from farming, aerosols and other substances.
So how do I get their attention?
It’s in no way credible that an issue like global cooling would be covered prominently by Newsweek and only Newsweek. All weekly magazines like Time and Newsweek ever did was summarize the conventional wisdom, and they didn’t (and don’t) write stories on topics that hadn’t already been covered extensively by more specialized publications.
It would be a shame to discuss a topic and cherry pick only evidence that supports one point of view.
http://journals.ametsoc.org/doi/pdf/10.1175/2008BAMS2370.1
True believers always ignore the overwhelming evidence I am presenting.
roflmao.
little Farrell obviously did see the reams of reports of the global cooling scare.
Wilfully BLIND are you
And seriously.. citing William CON-MAN…..
…. you have to either be TOTALLY GULLIBLE and NÁIVE.
probably read the Guardian and think it is unbiased fact ???? DOH
…. or deep on the climate trough, to go into that sewer.
Let me guess, some sort of low-end entrepreneur/climate con-artist.
Talk about denial.
William Connelly? Really? The man banned from Wikipedia?
i>In a vote of 7-0, The most prolific climate revisionist editor ever at Wikipedia, with over 5400 article revisions has been banned from making any edits about climate related articles for six months.
https://wattsupwiththat.com/2010/10/14/willia-connolley-now-climate-topic-banned-at-wikipedia/
Good God, how bad a “climate warrior” must you be to get banned from Wiki? LOL
Well, of course, Andy, but you can’t get away with dumb platitudes like this.
State your claim. Are you saying that the evidential record of the 1970’s global cooling scare is fabricated and based on only nine paragraphs in a 1975 magazine article as claimed by Scientific American? Do you have anything to say about the evidence presented by Tony Heller?
”I didn’t think so.”
Andy Ferrell,
William Connolly manage to miss HUNDREDS of science papers discussing the cooling trend,which was OBVIOUS in those days. His presentation is a LIE!
I posted the links to them earlier in the thread,you didn’t look in them?
285 Papers 70s Cooling 1
https://realclimatescience.com/2017/10/orwellian-class-fraud-at-scientific-american/#comment-68328
How could you miss my first paragraph?
“There are HUNDREDS of published science papers too about the Cooling and ice balances:”
Andy Ferrell, you didn’t offer any counter to Tony’s presentation at all, just a boring claim of cherrypicking,which is bogus.
It is clear you can’t dispute what Tony posted.
That American Meteorological study used a grand total of only 71 papers over 15 years. That’s less than 5 per year. Sounds like cherry picking.
And on the third page it admits there was a consensus:
“..By the early 1970s, when Mitchell updated his work (Mitchell 1972), the notion of a global cooling trend was widely accepted…”
Short-term trends don’t really mean much. I do know that I was climbing mountains in the 1970s in Canada where I had to walk 8 miles from the road over ground covered by glaciers in 1904. And glaciers everywhere only continue to recede. In the Himalaya there are long valleys with new vegetation moving in which into the last century were filled with ice.