CO2 and climate change: is it all true? You have to get well informed
Those who defile fountains and walls and damage works of art feel infused with a superior knowledge, scientific or para-scientific, which directly links global warming and carbon dioxide. They speak of "scientific community", when science, by its nature, is continuous discussion and reconsideration of results. "Ipse dixit", "This is why Science said it" is not a phrase suitable for science itself, but it is for theology and often for authoritarian politics, the stupidest one.
For example, a rather recent survey, which refers to previous historical data, provides some very interesting topics for discussion. The author is Wallance, Manheimer , a physicist with good scientific reputation and great experience, who wrote an article entitled " While the climate has always changed and will always change, there is no climate crisis " which, if only for general knowledge, we invite you to read.
Here, very briefly, we want to present you some data deriving from the data collected by him. First of all, the temperature has changed several times in the last 10,000 years and we are not even experiencing the hottest era:
Among other things, there are several archaeological finds that prove these temperature fluctuations in historical or prehistoric times. For example, there are the findings of medieval barley seeds in Greenland, a land in which cereals are not currently grown which, evidently, the Vikings cultivated during their brief medieval colonization
Or the finds of vines (and tools for their pruning) as far as central or even northern England.
Or also the fact that the recorded upper limit for the Nordic forest was much more northerly than it is today (see blue line)
If the climate has been warmer in the past, what's the problem with current warming? Considering then that scientific models have always failed to predict the trend of temperatures, always distorting it in excess:
Without considering that in the various geological eras different temperatures and different concentrations of CO2 have been recorded:
If we evaluate the correlation between CO2 concentration and recorded historical temperatures, we see that we do not see a strong correlation between the two data. In short, it does not seem that a higher concentration of CO2 automatically leads to an increase in temperatures…
These data, collected by a physicist, derive from scientific observations made over time. They should be the basis of a scientific and then a political discussion. On the other hand, there is an absolute theological creed on the climate and, above all, there is the claim to be able to control it. No one discusses the scientific basis or the consequences, and this will have very serious consequences on our society.
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The article CO2 and climate change: is it all true? We need to get well informed, it comes from Economic Scenarios .
This is a machine translation of a post published on Scenari Economici at the URL https://scenarieconomici.it/co2-e-cambiamento-climatico-sara-tutta-verita-bisogna-informarsi-bene/ on Mon, 03 Apr 2023 19:56:48 +0000.