science.howstuffworks.com The average pine tree enda tall an estimated 3.2 trees saved each year The average pine tree 80,000 pieces of paper, 80,000 pieces of paper, paper enough trees 80,000 pieces of paper, 80,000 pieces of paper, 80,000 pieces of paper, 81,000 sheets of paper 80,000 pieces of paper, 80,000 pieces of paper,