Maybe you do. Then please explain how the following can be squared with Wikipedia's explanation. Scientists believed global cooling so much they held international conferences to debate it and even told the US President to prepare America for the new ice age:
"Dear Mr President, aware of your deep concern with the future of the world, we feel obliged to inform you on the results of a scientific conference held here recently. The conference dealt with the past and future changes of climate and was attended for 42 top American and European investigators ... the main conclusion is that a global deterioration of climate, by an order of magnitude larger than any hithero experienced by mankind, is a very real possibility and may indeed be due very soon. The cooling has a natural cause and falls within the rank of processes which produced the last ice age. This is a surprising result based largely on studies of recent deep sea sediment.
...
With the efficient help of the world leaders, the research could be effectively organized and could possibly find answers to this menace ... it seems reasonable to prepare the agriculture and industry for possible alternatives and to form reserves.
With best regards, George L Kukla, Lamont-Doherty Geological Observatory & R. K. Matthew, Chairman, Department of Geological Sciences (Brown University)"
https://www.cpc.ncep.noaa.gov/products/outreach/CDPW40/CD&PW...
July 1970, New York Times: "The United States and the Soviet Union are mounting large-scale investigations to determine why the Arctic climate is becoming more frigid, why parts of the Arctic sea ice have recently become ominously thicker and whether the extent of that ice cover contributes to the onset of ice ages. The projects, which involve nuclear submarines, earth satellites, aircraft and numerous manned and unmanned stations on the drifting ice, are being pressed with special urgency in view of recent discoveries of important resources in the Soviet and the American Arctic."
https://www.nytimes.com/1970/07/18/archives/us-and-soviet-pr...
Again, do you believe that these reports are false, that these large-scale investigations never happened? That this was all made up by the press even as the poor scientists were saying the opposite? There are many more documents like these. They make it very clear that back then global cooling was treated in exactly the same way global warming is today. Scientists were quite clear about what they believed back then.
