This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.
Thomas E. Graedel and Paul J. Crutzen September, 1989. “The Changing Atmosphere.” Scientific American, pp. 58–68.
Richard A. Houghton and George M. Woodwell April, 1989. “Global Climactic Change.” Scientific American, pp. 36–44.
Barbara Tuchman Mathews . 1989. “Redefining Security.” Foreign Affairs 68:162–177.
Stephen H. Schneider September, 1989. “The Changing Climate.” Scientific American, pp. 70–79.