>>6948681hard to really answer anon. look into suspicious0bservers, adapt2030, oppenheimer ranch project, and ice age farmer. all on youtube and other sites. Lots of info to sift through.
Sunspots dwindle during the periods of lower total solar output. These low periods seem to correlate with periods of colder weather on earth. And more volcanoes and more earthquakes. I posted a presentation above from Professor Zharkova. Check that out.