Some paper has more recycled waste paper than others.
Paper manufactured mostly of recycled waste may cost more because of the infrastructure cost in collecting waste paper, as well as sorting, baling and shipping to the mill. However a ton of recycled paper saves 17 trees and 7,000 gallons of water. We just got a book from a client who thought the book was printed. In reality, it was a good photocopy. Make sure you get what you want and what you pay for.