If you would like a better understanding of the classical science of both natural and human-caused climate change, and how history proves the current climate change event is not catastrophic, please have a look at the two videos below. They each take about 14 minutes. A physical sciences degree is not a prerequisite; just curiosity!
These presentations were made in April, 2021 and do not include input from the 2021/2022 IPCC Assessment Report 6.