Generations of Air: What Will We
Leave Our Children?
The composition of the troposphere, the lowest part of the atmosphere that supports all life on Earth, began to change significantly around the beginning of the century. In more ways than one, our study begins at the same time. In one sense, this book is about the atmosphere. In another sense, it is about life, our lives, the lives of the four generations of families that have spanned this time frame.
In 1906, our grandparents immigrated to the United States from Poland to seek a better life. First came William, who when arriving in this country took the name of the city in Poland from which he came— Kalisz, which was anglicized to Kalish. Then came his wife, Nettie. The courage of these immigrants to set out for an unknown land where the language and customs differed from their own can only be imagined from the perspective of our own rather sheltered and safe lives. They were driven by a will to better themselves and, more importantly, to insure that their children and their