what are the ideal atmospheric conditions for a tortoise?

　
What are the ideal atmospheric conditions for a tortoise?
i have a 3 and a half year old starshelled tortoise im making a vivarium for him what should be the ideal atmospheric conditions to be maintained for him and how

Best Answer - Chosen by Voters

Do you mean an Indian Star Tortoise (Geochelone Elegans)?

If so take a look at this: http://www.tortoisetrust.org/care/celega ... and this http://www.chelonia.org/Articles/Gelegan ...