izentrop wrote:Mmm no! it is the conjunction of natural phenomena explained by Milankovitch, due to the precession, the elliptical orbit of our celestial body and the albedo which makes tilt the climate towards an ice age.Exnihiloest wrote:Paul72 wrote: the last glaciation was generated 115000 years ago by a minute cooling due to a slight change in the inclination of the earth, but which caused a snowball effect - it is the case - over several thousand 'years, by gradual decline in boreal forests leading to an increase in albedo. Here we are talking about such upheavals, affecting the atmosphere, the oceans, the biosphere (forests) over such a short time (a hundred years) that it is impossible to predict with certainty how far the change of state may go.
"over several thousand years". And even a tiny change in tilt is also tens of thousands of years. All the energy produced on Earth by humans would be insufficient to change the tilting axis of the Earth even over thousands of years. We are not in the same register with CO2 as with a change in inclination over millennia.
It's less of a snowball effect that you seem to be talking about, than of a butterfly effect that we know in earth science as a huge joke.
I was, of course, not talking about the change in inclination which is this conjunction, but what it is amalgamated with:
"Here we are talking about such upheavals, affecting the atmosphere, the oceans, the biosphere (forests) over such a short time (a hundred years) that it is impossible to predict with certainty how far the change of state may go."
Climate change is not "such". It has nothing to do with the energies involved in the process.
The zumains (of which you are not a part) are in the process of tipping her into a stable and life-threatening area.
We are starting to have fairly precise figures https://www.statistiques.developpement- ... 2019_0.pdf
This is precisely what is disputed by some of the scientists, little one I grant you, but that I believe that they are not wrong for reasons that I have already provided, and they too but since 'They dispute, we don't even read them.
(To be frank I am not human, I admit, I am a climate refugee from a planet of Alpha Centauri, today completely charred).