Reforestation of North America

How Non-Green Cities Are Rebuilding the American Forests by Peter Huber and Mark Mills

When Europeans first arrived--after millenniums of deforestation by fire, promoted by American Indians--the area now represented by the lower 48 United States had about 950 million acres of forest. That area shrank steadily until about 1920, to a low of 600 million acres. It has been rising ever since.