Test of logic: Assume that "human factors" are a major accelerant of naturally-occurring climate change. It does not matter whether it is true or not.
The assumption begs the question, What now?
There are a number of things that humanity can do to reduce its "carbon footprint," but they are all "on the margins." Nothing feasible will significantly reduce global CO2 production from transportation, heating & cooling, agriculture, and universal electrical usage. And keep in mind, the developing world and the third world (more than half the world's population) don't give a damn about their greenhouse gas emissions - nor should they. They are seeking modernity and no one can tell them they shouldn't. Both the Chinese and the Indians are building new coal-fired power plants as we sit here mentally-masturbating on this issue.
If every single nation who participated in the Paris Climate meetings a few years ago met every one of their commitments, the impact on global temperatures a hundred years out would be less than one degree Celsius.
With that in mind, what can you possibly say to someone who thinks that if s/he turns the thermostat a few degrees it will have an impact? One might as well try to empty out the Pacific Ocean with a glass tumbler.
The refusal of the international Left to embrace nuclear power proves the lie of the Climate Change Narrative. They don't give a Flying Fuck(!) about the climate; what they want is control of the world economy, especially private industry.
The climate is changing and there is NOTHING we can do about it - at least nothing that will have a measurable impact within the lifetime of any living person. But we can devise engineering solutions to what is coming. Seawater desal. Sea walls. Move vulnerable populations. Prepare better for floods and droughts. Make better use of natural heating and cooling. Improve fuel efficiencies. Build new nuke plants.
And all of this can be done creatively using market forces...no government coercion needed.
It doesn't matter what is causing climate change. We can't impact it significantly no matter what we do. We need to focus on engineering solutions to what we know is coming. Anything else is foolishness.