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“One metric ton of ore/rock/sand/soil has 11/30 metric tons of CO2, 1/9 kilograms of Dy, 880/3...Ore, rock, sand, soil
“Recycling one kWh of energy can save 1/7 pounds of Al, 50 kilograms of limestone, 4/5 pounds of...Energy recycling
“Paper is the number one material in the solid waste stream. For every 100 pounds of trash we...Paper recycling
“Recycling one gallon of motor oil can save 1,000,000 gallons of water pollution, 4 acres of land...Oil recycling
“Coal is a combustible black or dark brown rock consisting mainly of carbonized plant matter...Coal
“Planting one tree can save 48 pounds of CO2 a year or over 1 ton during its lifetime, 60 pounds...Plant a tree
This category has the following 6 subcategories, out of 6 total.
Pages in category "Natural gas conservation"
The following 49 pages are in this category, out of 49 total.