....
https://cornwallalliance.org/2019/03/global-cooling-the-real-climate-threat/This is the (incorrect) hypothesis called
global cooling, the concept the globe's actually cooling (I assume you believe the Earth is a globe at the very least, right?). Essentially, people misusing the geological time scale and large-period climatic oscillations to justify beliefs for a short-term climatic oscilation.
They are not. If you read the linked paper...
Singh, A.K., Bhargawa, A. Prediction of declining solar activity trends during solar cycles 25 and 26 and indication of other solar minimum. Astrophys Space Sci 364, 12 (2019).
https://doi.org/10.1007/s10509-019-3500-9Their assertions are not based on the Milankovick cycles, but on periodic sunspot activity and what climate has seemed to correlate with that in the past.
This of course cannot be an incorrect hypothesis. But one may argue whether the sum of cooling and warming effects leads to a net of cooling or warming, or whatever.