Could you explain to the unwashed how the Great Lakes were created? He won’t, so I will: Those bodies of water formed after mile-thick glaciers melted when the earth’s climate warmed.
(And not because Fred Flintstone didn’t get his car smogged.)
Mankind’s entire cumulative effect upon the Earth’s Climate can be favorably compared to a Mouse Fart in a Shopping Mall. The climate changes, and there is absolutely nothing we can do about it.