Facts about recycling 1 ton of corrugated cardboard * Saves 17 trees from having to be cut down and used for pulp * Saves 7000 gallons of water * Cuts pollution 95% * Saves 11 barrels – 462 gallons – of oil * Saves more than 3 cubic yards of landfill space * Corrugated can be recycled an average of 7 times before the fibers become too short and they are filtered out as sludge during the pulping process. The sludge is then ready for disposal, but often has one more usage and that is as daily cover at landfills in place of soil.