There will be no “reliable” climate change model. It’s not a model. A model is a reduced-size reproduction of something real.
Climate models are nothing more than computer programs that solve multiple equations, based on input supplied by the users. The equations don’t and can’t accurately model reality, because they omit, simplify and assume.
Climate reality is too complex to be modeled.
Climate is chaos and does not yield to linear thinking.
Regards,
GtG