Radioactivity and cloud cover - two quotes

A few years ago, I found a site saying something about ionising particles and cold weather, and I entered into a correspondence with the author over if this could be part of the explanation for the Ice Age (the one post-Flood Ice Age). I confronted the author with the fact I was taking the correspondence onto my Correspondence blog. He didn't quite like it. However, there was, at the moment, not much he could do about it.

I just needed the reference again, and couldn't find it, neither with "ice age" nor with "ionising particles" neither here nor on the correspondence blog. What do I do? Weep tears over blogger possibly taking down the post? No. I search for confirmation of the fact elsewhere. Here are two sites saying so:

Galactic cosmic rays have been positively correlated to the Earth’s low cloud cover. It is now evident that cosmic ray ionization is linked to lowering nucleation barriers and promoting early charged particle growth into the Aitken range. There is a substantially high probability that some of the charged particles grow to the 100 nm range and beyond to become CCN. There is also evidence that electrically charged aerosol are more efficiently scavenged by cloud droplets, some of which evaporate producing evaporation aerosol, which are very effective ice formation nuclei.

The assumption is made that artificially generated, corona effect ionization should act in much the same way as cosmic ray ionization, with some differences that might make unipolar corona effect ionization a more powerful catalyzer of cloud microphysical processes and, consequently, climate. There is much further work required to understand the cause and effect relationship between artificial ionization and weather, including electrical, chemical and physical measurements at the nanoparticle level and beyond, as well as mathematical modeling to describe the observed, measured or hypothesized atmospheric phenomena at different levels of artificial ionization, and, hopefully equal levels of cosmic ray ionization.

https://ams.confex.com/ams/pdfpapers/88063.pdf

Cosmic ray counts have increased over the past 50 years, so if they do influence global temperatures, they are having a cooling effect.

While the link between cosmic rays and cloud cover is yet to be confirmed, more importantly, there has been no correlation between cosmic rays and global temperatures over the last 30 years of global warming. In fact, in recent years when cosmic rays should have been having their largest cooling effect on record, temperatures have been at their highest on record.

Hypothetically, an increasing solar magnetic field could deflect galactic cosmic rays, which hypothetically seed low-level clouds, thus decreasing the Earth's reflectivity and causing global warming. However, it turns out that none of these hypotheticals are occurring in reality, and if cosmic rays were able to influence global temperatures, they would be having a cooling effect.

https://skepticalscience.com/cosmic-rays-and-global-warming-advanced.htm