I would argue that the fact there is warming can’t be attributed humans and greenhouse gas emissions
Mars is warming, ain't no people on Mars...
"Some people think that our planet is suffering from a fever. Now scientists are telling us that Mars is experiencing its own planetary warming: Martian warming. It seems scientists have noticed recently that quite a few planets in our solar system seem to be heating up a bit, including Pluto.
https://skepticalscience.com/global-warming-on-mars-intermediate.htm