The best place to start, I think, is with the Chameleon Breeder Podcast. It is an absolute goldmine of information. There are hundreds of episodes which can seem overwhelming but if you casually listen (or read the transcripts) then you'll learn a ton. The first season would be a good place to...
I remember reading somewhere that it's normal for them to climb on the screens for the first day or so because they're figuring out their habitat. If it goes on for a long time, then that's a sign their enclosure is not comfortable