God comes down from heaven to dwell with humanity, but not on Earth because it's gone. God takes up residence on the site of the original singularity, created on the second day, the original foundation of the Earth.
Former Things Have Passed Away
December 1st
We refer to the life after this one as "heaven" because we haven't paid attention to what the Bible says. We'll eventually live in a new Jerusalem at the the location presently occupied by our Earth.