If you are looking for a simple, quick, all-inclusive article on green iguana care, you won't find it here.
You won't find it anywhere because there is no such thing, not if your intent is to take care of your iguana properly.
Melissa Kaplan's Iguana Care, Feeding, and Socialization (ICFS) article provides the basics on iguanas, where they come from, how they act, and how to get them set up and started eating right. It also goes into the first steps involved with taming and socializing, and why all new igs, regardless of age, need to see your reptile vet...and why just any vet won't do.
Click for the article