5Michael P. Branch (ed.), Reading the earth : new directions in the study of literature and environment, xiv.
6Cf. Lawrence Buell- The enviroment imagination: Thoreau, nature writing and the formation of American culture, Cambridge : Harvard University Press, 1995.
7Michael P. Branch ( ed. ), Reading the earth : new directions in the study of literature and environment, Moscow, Idaho : University of Idaho Press, 1998, xii.
8威尔·杜兰.《世界文明史·东方的遗产》上卷,北京:东方出版社.1999年版,第3页.
9CF. Michael P. Branch (ed.) : Rending the earth : new directions in the study of literature and environment, Moscow, Idaho: University of Idaho Press, 1998.
10Cf. Laurence Coupe(ed.): The green studies reader: from Romanticism to ecoctiticism, London; New York : Routledge, 2000.
