Clark, William2022-03-171990Clark, W.C. 1990, "The environmental president?" Environment, 32 (2): 1.https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37371077en-USJournal Article2022-03-17Clark, W.C. 1990, "The environmental president?", Environment, vol. 32, no. 2, pp. 1.