It was growing when the Egyptians built the pyramids. Trees are a renewable resource. Sawdust and wood shavings, saved form manufacturing wood products, are recycled to help make paper grocery bags, corrugated boxes, and other products. Thanks to today's new technologies, close to 100 percent of a tree is used with hardly any waste. More trees are grown through replanting and natural regeneration than are harvested in the United States each year.
Forests are oxygen factories.
To grow a pound of wood, a tree uses 1.47 pounds of carbon dioxide and gives off 1.07 pounds of oxygen . About one-third of the United States is covered by forests. The forests of the world are essential to the survival of the planet.