Recycling cardboard By Peta cowling How it is used. Cardboard is used for a number of reasons, hard cover books, boxes, even making wood. What was wasted. Before 2005 , 35000 tonnes of cardboard was wasted a year. Now, 65000 tonnes a year or 65% is recycled. What it is made of. Cardboard is made out of wood pulp,the pulp is mixed with a little bit of paper and then it is compressed down to its lowest size. Now cardboard is made of 60% recycled materials. Ways to recycle cardboard. There are many ways to recycle cardboard , it makes a excellent mulch when shredded and mixed with veggie scraps. Also the obvious , putting it in the recycle bin!! Instead of throwing away the box, use as a storage box. Also if you have small amounts you can use it as scrap booking. A picture. A simple picture of a cardboard bin. Did you know?? A man in the USA actually built a house made of cardboard. It took 3 years of careful construction and plenty of cover. The man used over 2 million tonnes of glue to make the house. My resources I went to google and I typed in: information about recycling cardboard In Australia Then I clicked on the 4 link which is the link saying : waste management committee. The pictures I went to images google and then I typed in cardboard houses. Copyright.