by William D. Welge, CA * Most people, who are the keepers of family treasures, may not be aware that, the air we breathe, the light we allow in our homes, the settings on our heating and air conditioners are causing damage to important documents, photographs or clothing. Since the beginning of the Industrial Revolution in America during the 19th century, air borne pollutants have been, and continue to be, one of the major components that attack and can damage heirlooms in your possession. Dust, exhaust fumes, smoking, and microscopic contaminates are harmful. How to minimize the risk can be simple, if applied on a regular basis: First, change the…