Do you understand the definition of scientific theory? Here’s a hint, it doesn’t mean “wild ass guess”. Creationism is not scientific theory, it’s fantasy.
Say you are out in the woods, hundreds of miles from anywhere that receives snow on a regular basis. You come across a boulder about the size of a house that looks kinda round, like maybe it was tumbled in something for a few millennia? How did it get there? Don’t have to be a climate scientist to figure that one out...
I don’t know what “theories “ you are referring to about the age of the earth, the general consensus is about 4.6 billion years. Give or take a few hundred million as it took a whole heck of a lot more than 7 days to go from a bunch of swirling dust to anything that resembles a planet...
But if you can’t get past things as basic as that then how in the heck could you understand something as simple as the fact that burning tons of oil and coal creates CO2. Introducing large amounts of CO2 quickly (150 years is a blink of an eye to “Mother Earth”) has a PROVEN effect on climate. Removing forests hampers the ability to remove co2. If everyone made reasonable decisions and reduced their consumption just a bit without really affecting their lives this effect can be slowed down exponentially.