Well you can fit 330,000 or so earths inside the sun and it’s 90 million plus miles away, so math for perspective is your friend here. Just burn a few logs in the fireplace with the flue closed and see if small scale burning can affect an environment at all. Then do some more math to begin to appreciate scale etc.

Physics happens everywhere and we can measure shit so it’s just “don’t trust, verify” all the way down and you seem to be trusting some shit at the moment.