ComEd’s office recycling program alone, in 2020, saved approximately 7.66 million kilowatt-hours of electricity, 210,338 gallons of oil, 12.04 million gallons of water, 6,019 cubic yards of landfill airspace, 20,637 mature trees, and accounted for 5,469 metric tons of total greenhouse gas reduction (the equivalent to 620,813 gallons of gas saved or 1,002 passenger cars not driven).