>Variations in solar output are the primary driver of large scale climate shifts nope https://climate.nasa.gov/faq/14/is-the-sun-causing-global-warming/ sun appears to have dimmed slightly . >human generation of carbon emissions is dwarfed by what plants put into the atmosphere during the decomposition process I haven't got the data I was looking for here, but: "Decaying forest wood releases 10.9 billion tonnes of CO2 " "43.1 billion tons of CO2 from human activities" . >Which plants then consume and use to flourish. There is a finite area for plant life, you can't magically grow more of them, plus if this was an effective moderator then CO2 would just automatically flatline every year instead of increasing