Recycling one ton of glass can save 42 kWh of energy, 714,286 btus of energy, 2 cubic yards of landfill space, 7.5 pounds of air pollution, 6 pounds of Al, 630 pounds of CO2, 168/5 gallons of H2O, 6/5 metric tons of Pb, 21/2,000 pounds of Hg, 840/97 pounds of Na