Uh... do you want this (https://www.neom.com/en-us/regions/whatistheline) ? There is a prince in Saudi Arabia who'll do it for you!

Interestingly, California is one of the lower direct carbon footprint per capita states. With drastically less heating and cooling in the Bay, LA and SD than national averages, and denser areas, it's a net positive to build more housing here than Phoenix, Austin, Houston, Dallas, etc.